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Finding the Fourth Proportional to 180,488.69, 249,077.34 and 98,815.58

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Solution

The fourth proportional to 180,488.69, 249,077.34 and 98,815.58 is: 136,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,488.69 : 249,077.34 = 98,815.58 : x
  2. Step 2: Convert to fraction form
    180,488.69/249,077.34 = 98,815.58/x
  3. Step 3: Cross multiply
    180,488.69x = 249,077.34 × 98,815.58
  4. Step 4: Simplify right side
    180,488.69x = 24,612,722,695.37
  5. Step 5: Solve for x
    x = 24,612,722,695.37/180,488.69
  6. Step 6: Final answer
    x = 136,367.12

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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.