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Finding the Fourth Proportional to 249,159.50, 373,793.75 and 80,696.84

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Solution

The fourth proportional to 249,159.50, 373,793.75 and 80,696.84 is: 121,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,159.50 : 373,793.75 = 80,696.84 : x
  2. Step 2: Convert to fraction form
    249,159.50/373,793.75 = 80,696.84/x
  3. Step 3: Cross multiply
    249,159.50x = 373,793.75 × 80,696.84
  4. Step 4: Simplify right side
    249,159.50x = 30,163,972,164.30
  5. Step 5: Solve for x
    x = 30,163,972,164.30/249,159.50
  6. Step 6: Final answer
    x = 121,062.90

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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.