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Finding the Fourth Proportional to 113,060.55, 169,582.59 and 45,597.15

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Solution

The fourth proportional to 113,060.55, 169,582.59 and 45,597.15 is: 68,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,060.55 : 169,582.59 = 45,597.15 : x
  2. Step 2: Convert to fraction form
    113,060.55/169,582.59 = 45,597.15/x
  3. Step 3: Cross multiply
    113,060.55x = 169,582.59 × 45,597.15
  4. Step 4: Simplify right side
    113,060.55x = 7,732,482,793.62
  5. Step 5: Solve for x
    x = 7,732,482,793.62/113,060.55
  6. Step 6: Final answer
    x = 68,392.40

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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.