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Finding the Fourth Proportional to 173,407.36, 239,307.60 and 97,960.72

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Solution

The fourth proportional to 173,407.36, 239,307.60 and 97,960.72 is: 135,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.36 : 239,307.60 = 97,960.72 : x
  2. Step 2: Convert to fraction form
    173,407.36/239,307.60 = 97,960.72/x
  3. Step 3: Cross multiply
    173,407.36x = 239,307.60 × 97,960.72
  4. Step 4: Simplify right side
    173,407.36x = 23,442,744,797.47
  5. Step 5: Solve for x
    x = 23,442,744,797.47/173,407.36
  6. Step 6: Final answer
    x = 135,188.87

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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.