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Finding the Fourth Proportional to 177,898.74, 245,084.58 and 124,087.74

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Solution

The fourth proportional to 177,898.74, 245,084.58 and 124,087.74 is: 170,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,898.74 : 245,084.58 = 124,087.74 : x
  2. Step 2: Convert to fraction form
    177,898.74/245,084.58 = 124,087.74/x
  3. Step 3: Cross multiply
    177,898.74x = 245,084.58 × 124,087.74
  4. Step 4: Simplify right side
    177,898.74x = 30,411,991,641.05
  5. Step 5: Solve for x
    x = 30,411,991,641.05/177,898.74
  6. Step 6: Final answer
    x = 170,951.14

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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.