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Finding the Fourth Proportional to 113,800.88, 157,050.14 and 63,499.88

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Solution

The fourth proportional to 113,800.88, 157,050.14 and 63,499.88 is: 87,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.88 : 157,050.14 = 63,499.88 : x
  2. Step 2: Convert to fraction form
    113,800.88/157,050.14 = 63,499.88/x
  3. Step 3: Cross multiply
    113,800.88x = 157,050.14 × 63,499.88
  4. Step 4: Simplify right side
    113,800.88x = 9,972,663,941.23
  5. Step 5: Solve for x
    x = 9,972,663,941.23/113,800.88
  6. Step 6: Final answer
    x = 87,632.58

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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.