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Finding the Fourth Proportional to 249,625.60, 374,470.80 and 123,330.40

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Solution

The fourth proportional to 249,625.60, 374,470.80 and 123,330.40 is: 185,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,625.60 : 374,470.80 = 123,330.40 : x
  2. Step 2: Convert to fraction form
    249,625.60/374,470.80 = 123,330.40/x
  3. Step 3: Cross multiply
    249,625.60x = 374,470.80 × 123,330.40
  4. Step 4: Simplify right side
    249,625.60x = 46,183,633,552.32
  5. Step 5: Solve for x
    x = 46,183,633,552.32/249,625.60
  6. Step 6: Final answer
    x = 185,011.61

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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.