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Finding the Fourth Proportional to 121,155.66, 181,770.66 and 62,032.82

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Solution

The fourth proportional to 121,155.66, 181,770.66 and 62,032.82 is: 93,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,155.66 : 181,770.66 = 62,032.82 : x
  2. Step 2: Convert to fraction form
    121,155.66/181,770.66 = 62,032.82/x
  3. Step 3: Cross multiply
    121,155.66x = 181,770.66 × 62,032.82
  4. Step 4: Simplify right side
    121,155.66x = 11,275,746,633.06
  5. Step 5: Solve for x
    x = 11,275,746,633.06/121,155.66
  6. Step 6: Final answer
    x = 93,068.26

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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.