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Finding the Fourth Proportional to 114,948.60, 172,034.10 and 100,951.80

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Solution

The fourth proportional to 114,948.60, 172,034.10 and 100,951.80 is: 151,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,948.60 : 172,034.10 = 100,951.80 : x
  2. Step 2: Convert to fraction form
    114,948.60/172,034.10 = 100,951.80/x
  3. Step 3: Cross multiply
    114,948.60x = 172,034.10 × 100,951.80
  4. Step 4: Simplify right side
    114,948.60x = 17,367,152,056.38
  5. Step 5: Solve for x
    x = 17,367,152,056.38/114,948.60
  6. Step 6: Final answer
    x = 151,086.24

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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.