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Finding the Fourth Proportional to 96,430.91, 144,655.87 and 33,242.72

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Solution

The fourth proportional to 96,430.91, 144,655.87 and 33,242.72 is: 49,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,430.91 : 144,655.87 = 33,242.72 : x
  2. Step 2: Convert to fraction form
    96,430.91/144,655.87 = 33,242.72/x
  3. Step 3: Cross multiply
    96,430.91x = 144,655.87 × 33,242.72
  4. Step 4: Simplify right side
    96,430.91x = 4,808,753,776.38
  5. Step 5: Solve for x
    x = 4,808,753,776.38/96,430.91
  6. Step 6: Final answer
    x = 49,867.35

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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.