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Finding the Fourth Proportional to 101,712.51, 152,547.89 and 38,510.88

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Solution

The fourth proportional to 101,712.51, 152,547.89 and 38,510.88 is: 57,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,712.51 : 152,547.89 = 38,510.88 : x
  2. Step 2: Convert to fraction form
    101,712.51/152,547.89 = 38,510.88/x
  3. Step 3: Cross multiply
    101,712.51x = 152,547.89 × 38,510.88
  4. Step 4: Simplify right side
    101,712.51x = 5,874,753,486.04
  5. Step 5: Solve for x
    x = 5,874,753,486.04/101,712.51
  6. Step 6: Final answer
    x = 57,758.42

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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.