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Finding the Fourth Proportional to 72,463.48, 99,953.58 and 52,349.92

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Solution

The fourth proportional to 72,463.48, 99,953.58 and 52,349.92 is: 72,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,463.48 : 99,953.58 = 52,349.92 : x
  2. Step 2: Convert to fraction form
    72,463.48/99,953.58 = 52,349.92/x
  3. Step 3: Cross multiply
    72,463.48x = 99,953.58 × 52,349.92
  4. Step 4: Simplify right side
    72,463.48x = 5,232,561,916.71
  5. Step 5: Solve for x
    x = 5,232,561,916.71/72,463.48
  6. Step 6: Final answer
    x = 72,209.64

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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.