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Finding the Fourth Proportional to 70,444.58, 105,655.62 and 26,061.24

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Solution

The fourth proportional to 70,444.58, 105,655.62 and 26,061.24 is: 39,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444.58 : 105,655.62 = 26,061.24 : x
  2. Step 2: Convert to fraction form
    70,444.58/105,655.62 = 26,061.24/x
  3. Step 3: Cross multiply
    70,444.58x = 105,655.62 × 26,061.24
  4. Step 4: Simplify right side
    70,444.58x = 2,753,516,470.17
  5. Step 5: Solve for x
    x = 2,753,516,470.17/70,444.58
  6. Step 6: Final answer
    x = 39,087.70

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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.