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Finding the Fourth Proportional to 108,445.61, 149,626.56 and 62,494.01

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Solution

The fourth proportional to 108,445.61, 149,626.56 and 62,494.01 is: 86,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.61 : 149,626.56 = 62,494.01 : x
  2. Step 2: Convert to fraction form
    108,445.61/149,626.56 = 62,494.01/x
  3. Step 3: Cross multiply
    108,445.61x = 149,626.56 × 62,494.01
  4. Step 4: Simplify right side
    108,445.61x = 9,350,762,988.77
  5. Step 5: Solve for x
    x = 9,350,762,988.77/108,445.61
  6. Step 6: Final answer
    x = 86,225.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.