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Finding the Fourth Proportional to 119,034.40, 178,551.60 and 48,877.60

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Solution

The fourth proportional to 119,034.40, 178,551.60 and 48,877.60 is: 73,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,034.40 : 178,551.60 = 48,877.60 : x
  2. Step 2: Convert to fraction form
    119,034.40/178,551.60 = 48,877.60/x
  3. Step 3: Cross multiply
    119,034.40x = 178,551.60 × 48,877.60
  4. Step 4: Simplify right side
    119,034.40x = 8,727,173,684.16
  5. Step 5: Solve for x
    x = 8,727,173,684.16/119,034.40
  6. Step 6: Final answer
    x = 73,316.40

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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.