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Finding the Fourth Proportional to 266,767.68, 368,124.96 and 147,528

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Solution

The fourth proportional to 266,767.68, 368,124.96 and 147,528 is: 203,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,767.68 : 368,124.96 = 147,528 : x
  2. Step 2: Convert to fraction form
    266,767.68/368,124.96 = 147,528/x
  3. Step 3: Cross multiply
    266,767.68x = 368,124.96 × 147,528
  4. Step 4: Simplify right side
    266,767.68x = 54,308,739,098.88
  5. Step 5: Solve for x
    x = 54,308,739,098.88/266,767.68
  6. Step 6: Final answer
    x = 203,580.66

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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.