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Finding the Fourth Proportional to 177,787.80, 266,681.70 and 44,672.40

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Solution

The fourth proportional to 177,787.80, 266,681.70 and 44,672.40 is: 67,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,787.80 : 266,681.70 = 44,672.40 : x
  2. Step 2: Convert to fraction form
    177,787.80/266,681.70 = 44,672.40/x
  3. Step 3: Cross multiply
    177,787.80x = 266,681.70 × 44,672.40
  4. Step 4: Simplify right side
    177,787.80x = 11,913,311,575.08
  5. Step 5: Solve for x
    x = 11,913,311,575.08/177,787.80
  6. Step 6: Final answer
    x = 67,008.60

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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.