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Finding the Fourth Proportional to 173,655.90, 239,648.22 and 98,204.40

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Solution

The fourth proportional to 173,655.90, 239,648.22 and 98,204.40 is: 135,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,655.90 : 239,648.22 = 98,204.40 : x
  2. Step 2: Convert to fraction form
    173,655.90/239,648.22 = 98,204.40/x
  3. Step 3: Cross multiply
    173,655.90x = 239,648.22 × 98,204.40
  4. Step 4: Simplify right side
    173,655.90x = 23,534,509,656.17
  5. Step 5: Solve for x
    x = 23,534,509,656.17/173,655.90
  6. Step 6: Final answer
    x = 135,523.81

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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.