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Finding the Fourth Proportional to 101,436.92, 152,191.40 and 45,271.92

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Solution

The fourth proportional to 101,436.92, 152,191.40 and 45,271.92 is: 67,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,436.92 : 152,191.40 = 45,271.92 : x
  2. Step 2: Convert to fraction form
    101,436.92/152,191.40 = 45,271.92/x
  3. Step 3: Cross multiply
    101,436.92x = 152,191.40 × 45,271.92
  4. Step 4: Simplify right side
    101,436.92x = 6,889,996,885.49
  5. Step 5: Solve for x
    x = 6,889,996,885.49/101,436.92
  6. Step 6: Final answer
    x = 67,923.96

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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.