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Finding the Fourth Proportional to 149,937.54, 224,979.62 and 65,686.20

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Solution

The fourth proportional to 149,937.54, 224,979.62 and 65,686.20 is: 98,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,937.54 : 224,979.62 = 65,686.20 : x
  2. Step 2: Convert to fraction form
    149,937.54/224,979.62 = 65,686.20/x
  3. Step 3: Cross multiply
    149,937.54x = 224,979.62 × 65,686.20
  4. Step 4: Simplify right side
    149,937.54x = 14,778,056,315.24
  5. Step 5: Solve for x
    x = 14,778,056,315.24/149,937.54
  6. Step 6: Final answer
    x = 98,561.42

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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.