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Finding the Fourth Proportional to 181,876.66, 250,989.83 and 105,440.06

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Solution

The fourth proportional to 181,876.66, 250,989.83 and 105,440.06 is: 145,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,876.66 : 250,989.83 = 105,440.06 : x
  2. Step 2: Convert to fraction form
    181,876.66/250,989.83 = 105,440.06/x
  3. Step 3: Cross multiply
    181,876.66x = 250,989.83 × 105,440.06
  4. Step 4: Simplify right side
    181,876.66x = 26,464,381,743.24
  5. Step 5: Solve for x
    x = 26,464,381,743.24/181,876.66
  6. Step 6: Final answer
    x = 145,507.30

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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.