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Finding the Fourth Proportional to 101,346.84, 152,042.04 and 30,275.12

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Solution

The fourth proportional to 101,346.84, 152,042.04 and 30,275.12 is: 45,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,346.84 : 152,042.04 = 30,275.12 : x
  2. Step 2: Convert to fraction form
    101,346.84/152,042.04 = 30,275.12/x
  3. Step 3: Cross multiply
    101,346.84x = 152,042.04 × 30,275.12
  4. Step 4: Simplify right side
    101,346.84x = 4,603,091,006.04
  5. Step 5: Solve for x
    x = 4,603,091,006.04/101,346.84
  6. Step 6: Final answer
    x = 45,419.19

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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.