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Finding the Fourth Proportional to 155,382.80, 233,074.20 and 61,840.40

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Solution

The fourth proportional to 155,382.80, 233,074.20 and 61,840.40 is: 92,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,382.80 : 233,074.20 = 61,840.40 : x
  2. Step 2: Convert to fraction form
    155,382.80/233,074.20 = 61,840.40/x
  3. Step 3: Cross multiply
    155,382.80x = 233,074.20 × 61,840.40
  4. Step 4: Simplify right side
    155,382.80x = 14,413,401,757.68
  5. Step 5: Solve for x
    x = 14,413,401,757.68/155,382.80
  6. Step 6: Final answer
    x = 92,760.60

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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.