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Finding the Fourth Proportional to 155,957.73, 233,895.06 and 43,630.98

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Solution

The fourth proportional to 155,957.73, 233,895.06 and 43,630.98 is: 65,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,957.73 : 233,895.06 = 43,630.98 : x
  2. Step 2: Convert to fraction form
    155,957.73/233,895.06 = 43,630.98/x
  3. Step 3: Cross multiply
    155,957.73x = 233,895.06 × 43,630.98
  4. Step 4: Simplify right side
    155,957.73x = 10,205,070,684.96
  5. Step 5: Solve for x
    x = 10,205,070,684.96/155,957.73
  6. Step 6: Final answer
    x = 65,434.85

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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.