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Finding the Fourth Proportional to 249,940.72, 374,440.20 and 123,432.88

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Solution

The fourth proportional to 249,940.72, 374,440.20 and 123,432.88 is: 184,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,940.72 : 374,440.20 = 123,432.88 : x
  2. Step 2: Convert to fraction form
    249,940.72/374,440.20 = 123,432.88/x
  3. Step 3: Cross multiply
    249,940.72x = 374,440.20 × 123,432.88
  4. Step 4: Simplify right side
    249,940.72x = 46,218,232,273.78
  5. Step 5: Solve for x
    x = 46,218,232,273.78/249,940.72
  6. Step 6: Final answer
    x = 184,916.78

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1.5x scale

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.