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Finding the Fourth Proportional to 147,403.20, 220,975.20 and 88,262.40

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Solution

The fourth proportional to 147,403.20, 220,975.20 and 88,262.40 is: 132,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.20 : 220,975.20 = 88,262.40 : x
  2. Step 2: Convert to fraction form
    147,403.20/220,975.20 = 88,262.40/x
  3. Step 3: Cross multiply
    147,403.20x = 220,975.20 × 88,262.40
  4. Step 4: Simplify right side
    147,403.20x = 19,503,801,492.48
  5. Step 5: Solve for x
    x = 19,503,801,492.48/147,403.20
  6. Step 6: Final answer
    x = 132,316.00

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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.