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Finding the Fourth Proportional to 97,177.20, 145,830.60 and 44,559.60

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Solution

The fourth proportional to 97,177.20, 145,830.60 and 44,559.60 is: 66,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,177.20 : 145,830.60 = 44,559.60 : x
  2. Step 2: Convert to fraction form
    97,177.20/145,830.60 = 44,559.60/x
  3. Step 3: Cross multiply
    97,177.20x = 145,830.60 × 44,559.60
  4. Step 4: Simplify right side
    97,177.20x = 6,498,153,203.76
  5. Step 5: Solve for x
    x = 6,498,153,203.76/97,177.20
  6. Step 6: Final answer
    x = 66,869.11

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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.