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Finding the Fourth Proportional to 249,488.52, 344,290.14 and 136,308.84

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Solution

The fourth proportional to 249,488.52, 344,290.14 and 136,308.84 is: 188,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,488.52 : 344,290.14 = 136,308.84 : x
  2. Step 2: Convert to fraction form
    249,488.52/344,290.14 = 136,308.84/x
  3. Step 3: Cross multiply
    249,488.52x = 344,290.14 × 136,308.84
  4. Step 4: Simplify right side
    249,488.52x = 46,929,789,606.84
  5. Step 5: Solve for x
    x = 46,929,789,606.84/249,488.52
  6. Step 6: Final answer
    x = 188,104.00

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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.