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Finding the Fourth Proportional to 230,751.59, 345,921.57 and 124,192.71

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Solution

The fourth proportional to 230,751.59, 345,921.57 and 124,192.71 is: 186,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,751.59 : 345,921.57 = 124,192.71 : x
  2. Step 2: Convert to fraction form
    230,751.59/345,921.57 = 124,192.71/x
  3. Step 3: Cross multiply
    230,751.59x = 345,921.57 × 124,192.71
  4. Step 4: Simplify right side
    230,751.59x = 42,960,937,225.75
  5. Step 5: Solve for x
    x = 42,960,937,225.75/230,751.59
  6. Step 6: Final answer
    x = 186,178.30

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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.