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Finding the Fourth Proportional to 173,686.56, 239,688.16 and 98,249.60

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Solution

The fourth proportional to 173,686.56, 239,688.16 and 98,249.60 is: 135,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,686.56 : 239,688.16 = 98,249.60 : x
  2. Step 2: Convert to fraction form
    173,686.56/239,688.16 = 98,249.60/x
  3. Step 3: Cross multiply
    173,686.56x = 239,688.16 × 98,249.60
  4. Step 4: Simplify right side
    173,686.56x = 23,549,265,844.74
  5. Step 5: Solve for x
    x = 23,549,265,844.74/173,686.56
  6. Step 6: Final answer
    x = 135,584.85

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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.