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Finding the Fourth Proportional to 122,079.60, 182,973.60 and 62,884.80

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Solution

The fourth proportional to 122,079.60, 182,973.60 and 62,884.80 is: 94,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,079.60 : 182,973.60 = 62,884.80 : x
  2. Step 2: Convert to fraction form
    122,079.60/182,973.60 = 62,884.80/x
  3. Step 3: Cross multiply
    122,079.60x = 182,973.60 × 62,884.80
  4. Step 4: Simplify right side
    122,079.60x = 11,506,258,241.28
  5. Step 5: Solve for x
    x = 11,506,258,241.28/122,079.60
  6. Step 6: Final answer
    x = 94,252.10

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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.