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Finding the Fourth Proportional to 124,855.40, 187,301.74 and 45,963.62

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Solution

The fourth proportional to 124,855.40, 187,301.74 and 45,963.62 is: 68,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,855.40 : 187,301.74 = 45,963.62 : x
  2. Step 2: Convert to fraction form
    124,855.40/187,301.74 = 45,963.62/x
  3. Step 3: Cross multiply
    124,855.40x = 187,301.74 × 45,963.62
  4. Step 4: Simplify right side
    124,855.40x = 8,609,066,002.70
  5. Step 5: Solve for x
    x = 8,609,066,002.70/124,855.40
  6. Step 6: Final answer
    x = 68,952.29

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1.5x scale

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.