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Finding the Fourth Proportional to 250,151.14, 345,205.14 and 136,973.88

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Solution

The fourth proportional to 250,151.14, 345,205.14 and 136,973.88 is: 189,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,151.14 : 345,205.14 = 136,973.88 : x
  2. Step 2: Convert to fraction form
    250,151.14/345,205.14 = 136,973.88/x
  3. Step 3: Cross multiply
    250,151.14x = 345,205.14 × 136,973.88
  4. Step 4: Simplify right side
    250,151.14x = 47,284,087,421.74
  5. Step 5: Solve for x
    x = 47,284,087,421.74/250,151.14
  6. Step 6: Final answer
    x = 189,022.07

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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.