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Finding the Fourth Proportional to 118,130.52, 177,046.20 and 51,552.84

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Solution

The fourth proportional to 118,130.52, 177,046.20 and 51,552.84 is: 77,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,130.52 : 177,046.20 = 51,552.84 : x
  2. Step 2: Convert to fraction form
    118,130.52/177,046.20 = 51,552.84/x
  3. Step 3: Cross multiply
    118,130.52x = 177,046.20 × 51,552.84
  4. Step 4: Simplify right side
    118,130.52x = 9,127,234,421.21
  5. Step 5: Solve for x
    x = 9,127,234,421.21/118,130.52
  6. Step 6: Final answer
    x = 77,263.98

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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.