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Finding the Fourth Proportional to 140,597.56, 210,925.50 and 74,000.98

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Solution

The fourth proportional to 140,597.56, 210,925.50 and 74,000.98 is: 111,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,597.56 : 210,925.50 = 74,000.98 : x
  2. Step 2: Convert to fraction form
    140,597.56/210,925.50 = 74,000.98/x
  3. Step 3: Cross multiply
    140,597.56x = 210,925.50 × 74,000.98
  4. Step 4: Simplify right side
    140,597.56x = 15,608,693,706.99
  5. Step 5: Solve for x
    x = 15,608,693,706.99/140,597.56
  6. Step 6: Final answer
    x = 111,016.82

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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.