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Finding the Fourth Proportional to 181,190.76, 250,059.30 and 105,763.56

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Solution

The fourth proportional to 181,190.76, 250,059.30 and 105,763.56 is: 145,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,190.76 : 250,059.30 = 105,763.56 : x
  2. Step 2: Convert to fraction form
    181,190.76/250,059.30 = 105,763.56/x
  3. Step 3: Cross multiply
    181,190.76x = 250,059.30 × 105,763.56
  4. Step 4: Simplify right side
    181,190.76x = 26,447,161,779.11
  5. Step 5: Solve for x
    x = 26,447,161,779.11/181,190.76
  6. Step 6: Final answer
    x = 145,963.08

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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.