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Finding the Fourth Proportional to 173,572.17, 260,307.21 and 73,731.57

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Solution

The fourth proportional to 173,572.17, 260,307.21 and 73,731.57 is: 110,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,572.17 : 260,307.21 = 73,731.57 : x
  2. Step 2: Convert to fraction form
    173,572.17/260,307.21 = 73,731.57/x
  3. Step 3: Cross multiply
    173,572.17x = 260,307.21 × 73,731.57
  4. Step 4: Simplify right side
    173,572.17x = 19,192,859,275.62
  5. Step 5: Solve for x
    x = 19,192,859,275.62/173,572.17
  6. Step 6: Final answer
    x = 110,575.67

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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.