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Finding the Fourth Proportional to 173,381.50, 239,266.74 and 93,893.50

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Solution

The fourth proportional to 173,381.50, 239,266.74 and 93,893.50 is: 129,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,381.50 : 239,266.74 = 93,893.50 : x
  2. Step 2: Convert to fraction form
    173,381.50/239,266.74 = 93,893.50/x
  3. Step 3: Cross multiply
    173,381.50x = 239,266.74 × 93,893.50
  4. Step 4: Simplify right side
    173,381.50x = 22,465,591,652.19
  5. Step 5: Solve for x
    x = 22,465,591,652.19/173,381.50
  6. Step 6: Final answer
    x = 129,573.18

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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.