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Finding the Fourth Proportional to 93,301.79, 128,750.01 and 52,472.03

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Solution

The fourth proportional to 93,301.79, 128,750.01 and 52,472.03 is: 72,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301.79 : 128,750.01 = 52,472.03 : x
  2. Step 2: Convert to fraction form
    93,301.79/128,750.01 = 52,472.03/x
  3. Step 3: Cross multiply
    93,301.79x = 128,750.01 × 52,472.03
  4. Step 4: Simplify right side
    93,301.79x = 6,755,773,743.47
  5. Step 5: Solve for x
    x = 6,755,773,743.47/93,301.79
  6. Step 6: Final answer
    x = 72,407.77

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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.