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Finding the Fourth Proportional to 113,324, 169,909.30 and 63,438.52

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Solution

The fourth proportional to 113,324, 169,909.30 and 63,438.52 is: 95,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,324 : 169,909.30 = 63,438.52 : x
  2. Step 2: Convert to fraction form
    113,324/169,909.30 = 63,438.52/x
  3. Step 3: Cross multiply
    113,324x = 169,909.30 × 63,438.52
  4. Step 4: Simplify right side
    113,324x = 10,778,794,526.24
  5. Step 5: Solve for x
    x = 10,778,794,526.24/113,324
  6. Step 6: Final answer
    x = 95,114.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.