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Finding the Fourth Proportional to 113,798.52, 157,023.18 and 63,497.40

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Solution

The fourth proportional to 113,798.52, 157,023.18 and 63,497.40 is: 87,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798.52 : 157,023.18 = 63,497.40 : x
  2. Step 2: Convert to fraction form
    113,798.52/157,023.18 = 63,497.40/x
  3. Step 3: Cross multiply
    113,798.52x = 157,023.18 × 63,497.40
  4. Step 4: Simplify right side
    113,798.52x = 9,970,563,669.73
  5. Step 5: Solve for x
    x = 9,970,563,669.73/113,798.52
  6. Step 6: Final answer
    x = 87,615.93

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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.