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Finding the Fourth Proportional to 93,792.75, 129,446.35 and 53,497.28

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Solution

The fourth proportional to 93,792.75, 129,446.35 and 53,497.28 is: 73,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,792.75 : 129,446.35 = 53,497.28 : x
  2. Step 2: Convert to fraction form
    93,792.75/129,446.35 = 53,497.28/x
  3. Step 3: Cross multiply
    93,792.75x = 129,446.35 × 53,497.28
  4. Step 4: Simplify right side
    93,792.75x = 6,925,026,849.95
  5. Step 5: Solve for x
    x = 6,925,026,849.95/93,792.75
  6. Step 6: Final answer
    x = 73,833.29

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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.