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Finding the Fourth Proportional to 63,149.60, 94,674.74 and 31,543.35

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Solution

The fourth proportional to 63,149.60, 94,674.74 and 31,543.35 is: 47,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,149.60 : 94,674.74 = 31,543.35 : x
  2. Step 2: Convert to fraction form
    63,149.60/94,674.74 = 31,543.35/x
  3. Step 3: Cross multiply
    63,149.60x = 94,674.74 × 31,543.35
  4. Step 4: Simplify right side
    63,149.60x = 2,986,358,302.26
  5. Step 5: Solve for x
    x = 2,986,358,302.26/63,149.60
  6. Step 6: Final answer
    x = 47,290.22

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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.