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Finding the Fourth Proportional to 153,034.61, 229,515.46 and 64,289.84

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Solution

The fourth proportional to 153,034.61, 229,515.46 and 64,289.84 is: 96,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,034.61 : 229,515.46 = 64,289.84 : x
  2. Step 2: Convert to fraction form
    153,034.61/229,515.46 = 64,289.84/x
  3. Step 3: Cross multiply
    153,034.61x = 229,515.46 × 64,289.84
  4. Step 4: Simplify right side
    153,034.61x = 14,755,510,892.62
  5. Step 5: Solve for x
    x = 14,755,510,892.62/153,034.61
  6. Step 6: Final answer
    x = 96,419.44

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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.