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Finding the Fourth Proportional to 108,167.81, 162,031.38 and 88,248.29

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Solution

The fourth proportional to 108,167.81, 162,031.38 and 88,248.29 is: 132,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,167.81 : 162,031.38 = 88,248.29 : x
  2. Step 2: Convert to fraction form
    108,167.81/162,031.38 = 88,248.29/x
  3. Step 3: Cross multiply
    108,167.81x = 162,031.38 × 88,248.29
  4. Step 4: Simplify right side
    108,167.81x = 14,298,991,401.18
  5. Step 5: Solve for x
    x = 14,298,991,401.18/108,167.81
  6. Step 6: Final answer
    x = 132,192.67

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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.