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Finding the Fourth Proportional to 101,680,403.60, 152,520,605.40 and 33,506,656.40

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Solution

The fourth proportional to 101,680,403.60, 152,520,605.40 and 33,506,656.40 is: 50,259,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,680,403.60 : 152,520,605.40 = 33,506,656.40 : x
  2. Step 2: Convert to fraction form
    101,680,403.60/152,520,605.40 = 33,506,656.40/x
  3. Step 3: Cross multiply
    101,680,403.60x = 152,520,605.40 × 33,506,656.40
  4. Step 4: Simplify right side
    101,680,403.60x = 5,110,455,519,057,785
  5. Step 5: Solve for x
    x = 5,110,455,519,057,785/101,680,403.60
  6. Step 6: Final answer
    x = 50,259,984.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.