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Finding the Fourth Proportional to 249,700.10, 374,550.15 and 165,719.30

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Solution

The fourth proportional to 249,700.10, 374,550.15 and 165,719.30 is: 248,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,700.10 : 374,550.15 = 165,719.30 : x
  2. Step 2: Convert to fraction form
    249,700.10/374,550.15 = 165,719.30/x
  3. Step 3: Cross multiply
    249,700.10x = 374,550.15 × 165,719.30
  4. Step 4: Simplify right side
    249,700.10x = 62,070,188,672.90
  5. Step 5: Solve for x
    x = 62,070,188,672.90/249,700.10
  6. Step 6: Final answer
    x = 248,578.95

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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.