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Finding the Fourth Proportional to 70,482.91, 105,721.53 and 23,101.55

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Solution

The fourth proportional to 70,482.91, 105,721.53 and 23,101.55 is: 34,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,482.91 : 105,721.53 = 23,101.55 : x
  2. Step 2: Convert to fraction form
    70,482.91/105,721.53 = 23,101.55/x
  3. Step 3: Cross multiply
    70,482.91x = 105,721.53 × 23,101.55
  4. Step 4: Simplify right side
    70,482.91x = 2,442,331,652.25
  5. Step 5: Solve for x
    x = 2,442,331,652.25/70,482.91
  6. Step 6: Final answer
    x = 34,651.40

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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.