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Finding the Fourth Proportional to 79,565.84, 109,801.14 and 43,758.08

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Solution

The fourth proportional to 79,565.84, 109,801.14 and 43,758.08 is: 60,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.84 : 109,801.14 = 43,758.08 : x
  2. Step 2: Convert to fraction form
    79,565.84/109,801.14 = 43,758.08/x
  3. Step 3: Cross multiply
    79,565.84x = 109,801.14 × 43,758.08
  4. Step 4: Simplify right side
    79,565.84x = 4,804,687,068.21
  5. Step 5: Solve for x
    x = 4,804,687,068.21/79,565.84
  6. Step 6: Final answer
    x = 60,386.30

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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.