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Finding the Fourth Proportional to 251,446.60, 377,248.62 and 83,085.22

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Solution

The fourth proportional to 251,446.60, 377,248.62 and 83,085.22 is: 124,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,446.60 : 377,248.62 = 83,085.22 : x
  2. Step 2: Convert to fraction form
    251,446.60/377,248.62 = 83,085.22/x
  3. Step 3: Cross multiply
    251,446.60x = 377,248.62 × 83,085.22
  4. Step 4: Simplify right side
    251,446.60x = 31,343,784,587.40
  5. Step 5: Solve for x
    x = 31,343,784,587.40/251,446.60
  6. Step 6: Final answer
    x = 124,653.84

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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.