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Finding the Fourth Proportional to 70,882.29, 106,322.15 and 17,574.17

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Solution

The fourth proportional to 70,882.29, 106,322.15 and 17,574.17 is: 26,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,882.29 : 106,322.15 = 17,574.17 : x
  2. Step 2: Convert to fraction form
    70,882.29/106,322.15 = 17,574.17/x
  3. Step 3: Cross multiply
    70,882.29x = 106,322.15 × 17,574.17
  4. Step 4: Simplify right side
    70,882.29x = 1,868,523,051.19
  5. Step 5: Solve for x
    x = 1,868,523,051.19/70,882.29
  6. Step 6: Final answer
    x = 26,360.93

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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.