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Finding the Fourth Proportional to 73,222.92, 101,047.68 and 39,688.92

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Solution

The fourth proportional to 73,222.92, 101,047.68 and 39,688.92 is: 54,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222.92 : 101,047.68 = 39,688.92 : x
  2. Step 2: Convert to fraction form
    73,222.92/101,047.68 = 39,688.92/x
  3. Step 3: Cross multiply
    73,222.92x = 101,047.68 × 39,688.92
  4. Step 4: Simplify right side
    73,222.92x = 4,010,473,287.71
  5. Step 5: Solve for x
    x = 4,010,473,287.71/73,222.92
  6. Step 6: Final answer
    x = 54,770.74

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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.