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Finding the Fourth Proportional to 250,055.88, 345,008.88 and 142,586.76

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Solution

The fourth proportional to 250,055.88, 345,008.88 and 142,586.76 is: 196,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,055.88 : 345,008.88 = 142,586.76 : x
  2. Step 2: Convert to fraction form
    250,055.88/345,008.88 = 142,586.76/x
  3. Step 3: Cross multiply
    250,055.88x = 345,008.88 × 142,586.76
  4. Step 4: Simplify right side
    250,055.88x = 49,193,698,370.43
  5. Step 5: Solve for x
    x = 49,193,698,370.43/250,055.88
  6. Step 6: Final answer
    x = 196,730.82

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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.