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Finding the Fourth Proportional to 173,711.64, 239,701.88 and 97,234.98

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Solution

The fourth proportional to 173,711.64, 239,701.88 and 97,234.98 is: 134,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,711.64 : 239,701.88 = 97,234.98 : x
  2. Step 2: Convert to fraction form
    173,711.64/239,701.88 = 97,234.98/x
  3. Step 3: Cross multiply
    173,711.64x = 239,701.88 × 97,234.98
  4. Step 4: Simplify right side
    173,711.64x = 23,307,407,507.76
  5. Step 5: Solve for x
    x = 23,307,407,507.76/173,711.64
  6. Step 6: Final answer
    x = 134,172.97

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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.