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Finding the Fourth Proportional to 178,052.80, 266,733.60 and 99,025.60

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Solution

The fourth proportional to 178,052.80, 266,733.60 and 99,025.60 is: 148,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,052.80 : 266,733.60 = 99,025.60 : x
  2. Step 2: Convert to fraction form
    178,052.80/266,733.60 = 99,025.60/x
  3. Step 3: Cross multiply
    178,052.80x = 266,733.60 × 99,025.60
  4. Step 4: Simplify right side
    178,052.80x = 26,413,454,780.16
  5. Step 5: Solve for x
    x = 26,413,454,780.16/178,052.80
  6. Step 6: Final answer
    x = 148,346.19

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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.