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Finding the Fourth Proportional to 108,015.60, 162,023.40 and 37,885.80

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Solution

The fourth proportional to 108,015.60, 162,023.40 and 37,885.80 is: 56,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,015.60 : 162,023.40 = 37,885.80 : x
  2. Step 2: Convert to fraction form
    108,015.60/162,023.40 = 37,885.80/x
  3. Step 3: Cross multiply
    108,015.60x = 162,023.40 × 37,885.80
  4. Step 4: Simplify right side
    108,015.60x = 6,138,386,127.72
  5. Step 5: Solve for x
    x = 6,138,386,127.72/108,015.60
  6. Step 6: Final answer
    x = 56,828.70

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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.