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Finding the Fourth Proportional to 113,319.60, 169,833.60 and 54,027.60

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Solution

The fourth proportional to 113,319.60, 169,833.60 and 54,027.60 is: 80,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,319.60 : 169,833.60 = 54,027.60 : x
  2. Step 2: Convert to fraction form
    113,319.60/169,833.60 = 54,027.60/x
  3. Step 3: Cross multiply
    113,319.60x = 169,833.60 × 54,027.60
  4. Step 4: Simplify right side
    113,319.60x = 9,175,701,807.36
  5. Step 5: Solve for x
    x = 9,175,701,807.36/113,319.60
  6. Step 6: Final answer
    x = 80,971.89

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1.5x scale

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.