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Finding the Fourth Proportional to 249,049.95, 373,754.43 and 99,203.55

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Solution

The fourth proportional to 249,049.95, 373,754.43 and 99,203.55 is: 148,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,049.95 : 373,754.43 = 99,203.55 : x
  2. Step 2: Convert to fraction form
    249,049.95/373,754.43 = 99,203.55/x
  3. Step 3: Cross multiply
    249,049.95x = 373,754.43 × 99,203.55
  4. Step 4: Simplify right side
    249,049.95x = 37,077,766,284.23
  5. Step 5: Solve for x
    x = 37,077,766,284.23/249,049.95
  6. Step 6: Final answer
    x = 148,876.83

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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.