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Finding the Fourth Proportional to 198,552.60, 297,828.90 and 177,557.40

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Solution

The fourth proportional to 198,552.60, 297,828.90 and 177,557.40 is: 266,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,552.60 : 297,828.90 = 177,557.40 : x
  2. Step 2: Convert to fraction form
    198,552.60/297,828.90 = 177,557.40/x
  3. Step 3: Cross multiply
    198,552.60x = 297,828.90 × 177,557.40
  4. Step 4: Simplify right side
    198,552.60x = 52,881,725,128.86
  5. Step 5: Solve for x
    x = 52,881,725,128.86/198,552.60
  6. Step 6: Final answer
    x = 266,336.10

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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.