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Finding the Fourth Proportional to 96,358.80, 144,538.20 and 60,929.40

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Solution

The fourth proportional to 96,358.80, 144,538.20 and 60,929.40 is: 91,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,358.80 : 144,538.20 = 60,929.40 : x
  2. Step 2: Convert to fraction form
    96,358.80/144,538.20 = 60,929.40/x
  3. Step 3: Cross multiply
    96,358.80x = 144,538.20 × 60,929.40
  4. Step 4: Simplify right side
    96,358.80x = 8,806,625,803.08
  5. Step 5: Solve for x
    x = 8,806,625,803.08/96,358.80
  6. Step 6: Final answer
    x = 91,394.10

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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.