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Finding the Fourth Proportional to 113,552, 156,701.76 and 63,249.92

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Solution

The fourth proportional to 113,552, 156,701.76 and 63,249.92 is: 87,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,552 : 156,701.76 = 63,249.92 : x
  2. Step 2: Convert to fraction form
    113,552/156,701.76 = 63,249.92/x
  3. Step 3: Cross multiply
    113,552x = 156,701.76 × 63,249.92
  4. Step 4: Simplify right side
    113,552x = 9,911,373,783.86
  5. Step 5: Solve for x
    x = 9,911,373,783.86/113,552
  6. Step 6: Final answer
    x = 87,284.89

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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.