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Finding the Fourth Proportional to 173,290.86, 239,114.43 and 97,837.74

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Solution

The fourth proportional to 173,290.86, 239,114.43 and 97,837.74 is: 135,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,290.86 : 239,114.43 = 97,837.74 : x
  2. Step 2: Convert to fraction form
    173,290.86/239,114.43 = 97,837.74/x
  3. Step 3: Cross multiply
    173,290.86x = 239,114.43 × 97,837.74
  4. Step 4: Simplify right side
    173,290.86x = 23,394,415,432.59
  5. Step 5: Solve for x
    x = 23,394,415,432.59/173,290.86
  6. Step 6: Final answer
    x = 135,000.86

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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.