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Finding the Fourth Proportional to 121,167.99, 181,789.07 and 62,045.51

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Solution

The fourth proportional to 121,167.99, 181,789.07 and 62,045.51 is: 93,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,167.99 : 181,789.07 = 62,045.51 : x
  2. Step 2: Convert to fraction form
    121,167.99/181,789.07 = 62,045.51/x
  3. Step 3: Cross multiply
    121,167.99x = 181,789.07 × 62,045.51
  4. Step 4: Simplify right side
    121,167.99x = 11,279,194,341.40
  5. Step 5: Solve for x
    x = 11,279,194,341.40/121,167.99
  6. Step 6: Final answer
    x = 93,087.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.