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Finding the Fourth Proportional to 249,469.58, 344,268.36 and 142,039.66

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Solution

The fourth proportional to 249,469.58, 344,268.36 and 142,039.66 is: 196,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,469.58 : 344,268.36 = 142,039.66 : x
  2. Step 2: Convert to fraction form
    249,469.58/344,268.36 = 142,039.66/x
  3. Step 3: Cross multiply
    249,469.58x = 344,268.36 × 142,039.66
  4. Step 4: Simplify right side
    249,469.58x = 48,899,760,803.16
  5. Step 5: Solve for x
    x = 48,899,760,803.16/249,469.58
  6. Step 6: Final answer
    x = 196,014.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.