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Finding the Fourth Proportional to 83,194.51, 124,823.21 and 49,937.76

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Solution

The fourth proportional to 83,194.51, 124,823.21 and 49,937.76 is: 74,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,194.51 : 124,823.21 = 49,937.76 : x
  2. Step 2: Convert to fraction form
    83,194.51/124,823.21 = 49,937.76/x
  3. Step 3: Cross multiply
    83,194.51x = 124,823.21 × 49,937.76
  4. Step 4: Simplify right side
    83,194.51x = 6,233,391,503.41
  5. Step 5: Solve for x
    x = 6,233,391,503.41/83,194.51
  6. Step 6: Final answer
    x = 74,925.51

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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.