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Finding the Fourth Proportional to 125,407.56, 173,060.16 and 70,959.24

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Solution

The fourth proportional to 125,407.56, 173,060.16 and 70,959.24 is: 97,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,407.56 : 173,060.16 = 70,959.24 : x
  2. Step 2: Convert to fraction form
    125,407.56/173,060.16 = 70,959.24/x
  3. Step 3: Cross multiply
    125,407.56x = 173,060.16 × 70,959.24
  4. Step 4: Simplify right side
    125,407.56x = 12,280,217,427.88
  5. Step 5: Solve for x
    x = 12,280,217,427.88/125,407.56
  6. Step 6: Final answer
    x = 97,922.47

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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.