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Finding the Fourth Proportional to 79,062.93, 109,117.11 and 48,862.89

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Solution

The fourth proportional to 79,062.93, 109,117.11 and 48,862.89 is: 67,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,062.93 : 109,117.11 = 48,862.89 : x
  2. Step 2: Convert to fraction form
    79,062.93/109,117.11 = 48,862.89/x
  3. Step 3: Cross multiply
    79,062.93x = 109,117.11 × 48,862.89
  4. Step 4: Simplify right side
    79,062.93x = 5,331,776,797.46
  5. Step 5: Solve for x
    x = 5,331,776,797.46/79,062.93
  6. Step 6: Final answer
    x = 67,437.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.