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Finding the Fourth Proportional to 266,724.52, 368,079.88 and 145,866.04

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Solution

The fourth proportional to 266,724.52, 368,079.88 and 145,866.04 is: 201,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,724.52 : 368,079.88 = 145,866.04 : x
  2. Step 2: Convert to fraction form
    266,724.52/368,079.88 = 145,866.04/x
  3. Step 3: Cross multiply
    266,724.52x = 368,079.88 × 145,866.04
  4. Step 4: Simplify right side
    266,724.52x = 53,690,354,499.28
  5. Step 5: Solve for x
    x = 53,690,354,499.28/266,724.52
  6. Step 6: Final answer
    x = 201,295.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.