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Finding the Fourth Proportional to 161,040.80, 241,561.20 and 55,870.40

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Solution

The fourth proportional to 161,040.80, 241,561.20 and 55,870.40 is: 83,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,040.80 : 241,561.20 = 55,870.40 : x
  2. Step 2: Convert to fraction form
    161,040.80/241,561.20 = 55,870.40/x
  3. Step 3: Cross multiply
    161,040.80x = 241,561.20 × 55,870.40
  4. Step 4: Simplify right side
    161,040.80x = 13,496,120,868.48
  5. Step 5: Solve for x
    x = 13,496,120,868.48/161,040.80
  6. Step 6: Final answer
    x = 83,805.60

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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.