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Finding the Fourth Proportional to 108,151.88, 162,125.76 and 52,023.76

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Solution

The fourth proportional to 108,151.88, 162,125.76 and 52,023.76 is: 77,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,151.88 : 162,125.76 = 52,023.76 : x
  2. Step 2: Convert to fraction form
    108,151.88/162,125.76 = 52,023.76/x
  3. Step 3: Cross multiply
    108,151.88x = 162,125.76 × 52,023.76
  4. Step 4: Simplify right side
    108,151.88x = 8,434,391,628.06
  5. Step 5: Solve for x
    x = 8,434,391,628.06/108,151.88
  6. Step 6: Final answer
    x = 77,986.55

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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.