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Finding the Fourth Proportional to 141,318.32, 211,978.68 and 41,480.16

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Solution

The fourth proportional to 141,318.32, 211,978.68 and 41,480.16 is: 62,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,318.32 : 211,978.68 = 41,480.16 : x
  2. Step 2: Convert to fraction form
    141,318.32/211,978.68 = 41,480.16/x
  3. Step 3: Cross multiply
    141,318.32x = 211,978.68 × 41,480.16
  4. Step 4: Simplify right side
    141,318.32x = 8,792,909,562.99
  5. Step 5: Solve for x
    x = 8,792,909,562.99/141,318.32
  6. Step 6: Final answer
    x = 62,220.59

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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.