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Finding the Fourth Proportional to 213,613.95, 294,789.15 and 118,127.10

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Solution

The fourth proportional to 213,613.95, 294,789.15 and 118,127.10 is: 163,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,613.95 : 294,789.15 = 118,127.10 : x
  2. Step 2: Convert to fraction form
    213,613.95/294,789.15 = 118,127.10/x
  3. Step 3: Cross multiply
    213,613.95x = 294,789.15 × 118,127.10
  4. Step 4: Simplify right side
    213,613.95x = 34,822,587,400.97
  5. Step 5: Solve for x
    x = 34,822,587,400.97/213,613.95
  6. Step 6: Final answer
    x = 163,016.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.