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Finding the Fourth Proportional to 249,663.68, 374,164.32 and 109,269.44

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Solution

The fourth proportional to 249,663.68, 374,164.32 and 109,269.44 is: 163,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,663.68 : 374,164.32 = 109,269.44 : x
  2. Step 2: Convert to fraction form
    249,663.68/374,164.32 = 109,269.44/x
  3. Step 3: Cross multiply
    249,663.68x = 374,164.32 × 109,269.44
  4. Step 4: Simplify right side
    249,663.68x = 40,884,725,714.38
  5. Step 5: Solve for x
    x = 40,884,725,714.38/249,663.68
  6. Step 6: Final answer
    x = 163,759.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.