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Finding the Fourth Proportional to 174,978.90, 241,475.45 and 98,500.79

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Solution

The fourth proportional to 174,978.90, 241,475.45 and 98,500.79 is: 135,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,978.90 : 241,475.45 = 98,500.79 : x
  2. Step 2: Convert to fraction form
    174,978.90/241,475.45 = 98,500.79/x
  3. Step 3: Cross multiply
    174,978.90x = 241,475.45 × 98,500.79
  4. Step 4: Simplify right side
    174,978.90x = 23,785,522,701.79
  5. Step 5: Solve for x
    x = 23,785,522,701.79/174,978.90
  6. Step 6: Final answer
    x = 135,933.66

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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.