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Finding the Fourth Proportional to 83,258.64, 124,732.44 and 64,751.76

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Solution

The fourth proportional to 83,258.64, 124,732.44 and 64,751.76 is: 97,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,258.64 : 124,732.44 = 64,751.76 : x
  2. Step 2: Convert to fraction form
    83,258.64/124,732.44 = 64,751.76/x
  3. Step 3: Cross multiply
    83,258.64x = 124,732.44 × 64,751.76
  4. Step 4: Simplify right side
    83,258.64x = 8,076,645,019.09
  5. Step 5: Solve for x
    x = 8,076,645,019.09/83,258.64
  6. Step 6: Final answer
    x = 97,006.69

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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.