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Finding the Fourth Proportional to 249,794.64, 344,714.40 and 136,618.20

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Solution

The fourth proportional to 249,794.64, 344,714.40 and 136,618.20 is: 188,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,794.64 : 344,714.40 = 136,618.20 : x
  2. Step 2: Convert to fraction form
    249,794.64/344,714.40 = 136,618.20/x
  3. Step 3: Cross multiply
    249,794.64x = 344,714.40 × 136,618.20
  4. Step 4: Simplify right side
    249,794.64x = 47,094,260,842.08
  5. Step 5: Solve for x
    x = 47,094,260,842.08/249,794.64
  6. Step 6: Final answer
    x = 188,531.91

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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.