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Finding the Fourth Proportional to 181,352.32, 250,130.43 and 109,640.59

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Solution

The fourth proportional to 181,352.32, 250,130.43 and 109,640.59 is: 151,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,352.32 : 250,130.43 = 109,640.59 : x
  2. Step 2: Convert to fraction form
    181,352.32/250,130.43 = 109,640.59/x
  3. Step 3: Cross multiply
    181,352.32x = 250,130.43 × 109,640.59
  4. Step 4: Simplify right side
    181,352.32x = 27,424,447,296.83
  5. Step 5: Solve for x
    x = 27,424,447,296.83/181,352.32
  6. Step 6: Final answer
    x = 151,221.93

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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.