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Finding the Fourth Proportional to 165,653.98, 249,587.45 and 149,879.23

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Solution

The fourth proportional to 165,653.98, 249,587.45 and 149,879.23 is: 225,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,653.98 : 249,587.45 = 149,879.23 : x
  2. Step 2: Convert to fraction form
    165,653.98/249,587.45 = 149,879.23/x
  3. Step 3: Cross multiply
    165,653.98x = 249,587.45 × 149,879.23
  4. Step 4: Simplify right side
    165,653.98x = 37,407,974,823.66
  5. Step 5: Solve for x
    x = 37,407,974,823.66/165,653.98
  6. Step 6: Final answer
    x = 225,819.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.