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Finding the Fourth Proportional to 155,574.66, 233,360.46 and 71,310.90

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Solution

The fourth proportional to 155,574.66, 233,360.46 and 71,310.90 is: 106,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,574.66 : 233,360.46 = 71,310.90 : x
  2. Step 2: Convert to fraction form
    155,574.66/233,360.46 = 71,310.90/x
  3. Step 3: Cross multiply
    155,574.66x = 233,360.46 × 71,310.90
  4. Step 4: Simplify right side
    155,574.66x = 16,641,144,427.01
  5. Step 5: Solve for x
    x = 16,641,144,427.01/155,574.66
  6. Step 6: Final answer
    x = 106,965.65

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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.