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Finding the Fourth Proportional to 104,720.76, 144,482.67 and 59,396.40

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Solution

The fourth proportional to 104,720.76, 144,482.67 and 59,396.40 is: 81,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.76 : 144,482.67 = 59,396.40 : x
  2. Step 2: Convert to fraction form
    104,720.76/144,482.67 = 59,396.40/x
  3. Step 3: Cross multiply
    104,720.76x = 144,482.67 × 59,396.40
  4. Step 4: Simplify right side
    104,720.76x = 8,581,750,460.39
  5. Step 5: Solve for x
    x = 8,581,750,460.39/104,720.76
  6. Step 6: Final answer
    x = 81,948.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.