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Finding the Fourth Proportional to 108,602.18, 162,803.04 and 75,337.94

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Solution

The fourth proportional to 108,602.18, 162,803.04 and 75,337.94 is: 112,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,602.18 : 162,803.04 = 75,337.94 : x
  2. Step 2: Convert to fraction form
    108,602.18/162,803.04 = 75,337.94/x
  3. Step 3: Cross multiply
    108,602.18x = 162,803.04 × 75,337.94
  4. Step 4: Simplify right side
    108,602.18x = 12,265,245,659.34
  5. Step 5: Solve for x
    x = 12,265,245,659.34/108,602.18
  6. Step 6: Final answer
    x = 112,937.38

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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.