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Finding the Fourth Proportional to 177,798.78, 266,642.55 and 59,442.53

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Solution

The fourth proportional to 177,798.78, 266,642.55 and 59,442.53 is: 89,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,798.78 : 266,642.55 = 59,442.53 : x
  2. Step 2: Convert to fraction form
    177,798.78/266,642.55 = 59,442.53/x
  3. Step 3: Cross multiply
    177,798.78x = 266,642.55 × 59,442.53
  4. Step 4: Simplify right side
    177,798.78x = 15,849,906,444.44
  5. Step 5: Solve for x
    x = 15,849,906,444.44/177,798.78
  6. Step 6: Final answer
    x = 89,145.19

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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.