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Finding the Fourth Proportional to 93,294.76, 128,645.03 and 63,027.53

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Solution

The fourth proportional to 93,294.76, 128,645.03 and 63,027.53 is: 86,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.76 : 128,645.03 = 63,027.53 : x
  2. Step 2: Convert to fraction form
    93,294.76/128,645.03 = 63,027.53/x
  3. Step 3: Cross multiply
    93,294.76x = 128,645.03 × 63,027.53
  4. Step 4: Simplify right side
    93,294.76x = 8,108,177,850.93
  5. Step 5: Solve for x
    x = 8,108,177,850.93/93,294.76
  6. Step 6: Final answer
    x = 86,909.25

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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.