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Finding the Fourth Proportional to 231,053.60, 346,598.80 and 88,967.76

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Solution

The fourth proportional to 231,053.60, 346,598.80 and 88,967.76 is: 133,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,053.60 : 346,598.80 = 88,967.76 : x
  2. Step 2: Convert to fraction form
    231,053.60/346,598.80 = 88,967.76/x
  3. Step 3: Cross multiply
    231,053.60x = 346,598.80 × 88,967.76
  4. Step 4: Simplify right side
    231,053.60x = 30,836,118,854.69
  5. Step 5: Solve for x
    x = 30,836,118,854.69/231,053.60
  6. Step 6: Final answer
    x = 133,458.72

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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.