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Finding the Fourth Proportional to 96,225.30, 144,337.95 and 72,897.30

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Solution

The fourth proportional to 96,225.30, 144,337.95 and 72,897.30 is: 109,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,225.30 : 144,337.95 = 72,897.30 : x
  2. Step 2: Convert to fraction form
    96,225.30/144,337.95 = 72,897.30/x
  3. Step 3: Cross multiply
    96,225.30x = 144,337.95 × 72,897.30
  4. Step 4: Simplify right side
    96,225.30x = 10,521,846,842.54
  5. Step 5: Solve for x
    x = 10,521,846,842.54/96,225.30
  6. Step 6: Final answer
    x = 109,345.95

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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.