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Finding the Fourth Proportional to 122,929.60, 184,437.60 and 44,046.40

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Solution

The fourth proportional to 122,929.60, 184,437.60 and 44,046.40 is: 66,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,929.60 : 184,437.60 = 44,046.40 : x
  2. Step 2: Convert to fraction form
    122,929.60/184,437.60 = 44,046.40/x
  3. Step 3: Cross multiply
    122,929.60x = 184,437.60 × 44,046.40
  4. Step 4: Simplify right side
    122,929.60x = 8,123,812,304.64
  5. Step 5: Solve for x
    x = 8,123,812,304.64/122,929.60
  6. Step 6: Final answer
    x = 66,085.08

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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.