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Finding the Fourth Proportional to 178,307.70, 267,473.70 and 56,718.60

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Solution

The fourth proportional to 178,307.70, 267,473.70 and 56,718.60 is: 85,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,307.70 : 267,473.70 = 56,718.60 : x
  2. Step 2: Convert to fraction form
    178,307.70/267,473.70 = 56,718.60/x
  3. Step 3: Cross multiply
    178,307.70x = 267,473.70 × 56,718.60
  4. Step 4: Simplify right side
    178,307.70x = 15,170,733,800.82
  5. Step 5: Solve for x
    x = 15,170,733,800.82/178,307.70
  6. Step 6: Final answer
    x = 85,081.76

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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.