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Finding the Fourth Proportional to 181,470.65, 250,417.71 and 100,896.08

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Solution

The fourth proportional to 181,470.65, 250,417.71 and 100,896.08 is: 139,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,470.65 : 250,417.71 = 100,896.08 : x
  2. Step 2: Convert to fraction form
    181,470.65/250,417.71 = 100,896.08/x
  3. Step 3: Cross multiply
    181,470.65x = 250,417.71 × 100,896.08
  4. Step 4: Simplify right side
    181,470.65x = 25,266,164,049.49
  5. Step 5: Solve for x
    x = 25,266,164,049.49/181,470.65
  6. Step 6: Final answer
    x = 139,230.03

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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.