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Finding the Fourth Proportional to 173,578.61, 260,031.64 and 98,471.55

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Solution

The fourth proportional to 173,578.61, 260,031.64 and 98,471.55 is: 147,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,578.61 : 260,031.64 = 98,471.55 : x
  2. Step 2: Convert to fraction form
    173,578.61/260,031.64 = 98,471.55/x
  3. Step 3: Cross multiply
    173,578.61x = 260,031.64 × 98,471.55
  4. Step 4: Simplify right side
    173,578.61x = 25,605,718,393.66
  5. Step 5: Solve for x
    x = 25,605,718,393.66/173,578.61
  6. Step 6: Final answer
    x = 147,516.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.