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Finding the Fourth Proportional to 122,657.73, 183,875.72 and 43,753.20

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Solution

The fourth proportional to 122,657.73, 183,875.72 and 43,753.20 is: 65,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,657.73 : 183,875.72 = 43,753.20 : x
  2. Step 2: Convert to fraction form
    122,657.73/183,875.72 = 43,753.20/x
  3. Step 3: Cross multiply
    122,657.73x = 183,875.72 × 43,753.20
  4. Step 4: Simplify right side
    122,657.73x = 8,045,151,152.30
  5. Step 5: Solve for x
    x = 8,045,151,152.30/122,657.73
  6. Step 6: Final answer
    x = 65,590.25

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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.