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Finding the Fourth Proportional to 97,882.80, 146,824.20 and 70,234.80

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Solution

The fourth proportional to 97,882.80, 146,824.20 and 70,234.80 is: 105,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,882.80 : 146,824.20 = 70,234.80 : x
  2. Step 2: Convert to fraction form
    97,882.80/146,824.20 = 70,234.80/x
  3. Step 3: Cross multiply
    97,882.80x = 146,824.20 × 70,234.80
  4. Step 4: Simplify right side
    97,882.80x = 10,312,168,322.16
  5. Step 5: Solve for x
    x = 10,312,168,322.16/97,882.80
  6. Step 6: Final answer
    x = 105,352.20

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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.