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Finding the Fourth Proportional to 181,260.66, 250,230.60 and 113,315.40

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Solution

The fourth proportional to 181,260.66, 250,230.60 and 113,315.40 is: 156,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,260.66 : 250,230.60 = 113,315.40 : x
  2. Step 2: Convert to fraction form
    181,260.66/250,230.60 = 113,315.40/x
  3. Step 3: Cross multiply
    181,260.66x = 250,230.60 × 113,315.40
  4. Step 4: Simplify right side
    181,260.66x = 28,354,980,531.24
  5. Step 5: Solve for x
    x = 28,354,980,531.24/181,260.66
  6. Step 6: Final answer
    x = 156,432.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.