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Finding the Fourth Proportional to 97,472.40, 146,014.20 and 55,870.80

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Solution

The fourth proportional to 97,472.40, 146,014.20 and 55,870.80 is: 83,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,472.40 : 146,014.20 = 55,870.80 : x
  2. Step 2: Convert to fraction form
    97,472.40/146,014.20 = 55,870.80/x
  3. Step 3: Cross multiply
    97,472.40x = 146,014.20 × 55,870.80
  4. Step 4: Simplify right side
    97,472.40x = 8,157,930,165.36
  5. Step 5: Solve for x
    x = 8,157,930,165.36/97,472.40
  6. Step 6: Final answer
    x = 83,694.77

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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.