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Finding the Fourth Proportional to 181,457.56, 250,330.62 and 105,972.76

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Solution

The fourth proportional to 181,457.56, 250,330.62 and 105,972.76 is: 146,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,457.56 : 250,330.62 = 105,972.76 : x
  2. Step 2: Convert to fraction form
    181,457.56/250,330.62 = 105,972.76/x
  3. Step 3: Cross multiply
    181,457.56x = 250,330.62 × 105,972.76
  4. Step 4: Simplify right side
    181,457.56x = 26,528,226,713.91
  5. Step 5: Solve for x
    x = 26,528,226,713.91/181,457.56
  6. Step 6: Final answer
    x = 146,195.21

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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.