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Finding the Fourth Proportional to 181,294.98, 250,106.58 and 120,806.61

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Solution

The fourth proportional to 181,294.98, 250,106.58 and 120,806.61 is: 166,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,294.98 : 250,106.58 = 120,806.61 : x
  2. Step 2: Convert to fraction form
    181,294.98/250,106.58 = 120,806.61/x
  3. Step 3: Cross multiply
    181,294.98x = 250,106.58 × 120,806.61
  4. Step 4: Simplify right side
    181,294.98x = 30,214,528,068.49
  5. Step 5: Solve for x
    x = 30,214,528,068.49/181,294.98
  6. Step 6: Final answer
    x = 166,659.49

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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.