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Finding the Fourth Proportional to 181,487.76, 250,453.80 and 124,800.72

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Solution

The fourth proportional to 181,487.76, 250,453.80 and 124,800.72 is: 172,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,487.76 : 250,453.80 = 124,800.72 : x
  2. Step 2: Convert to fraction form
    181,487.76/250,453.80 = 124,800.72/x
  3. Step 3: Cross multiply
    181,487.76x = 250,453.80 × 124,800.72
  4. Step 4: Simplify right side
    181,487.76x = 31,256,814,566.74
  5. Step 5: Solve for x
    x = 31,256,814,566.74/181,487.76
  6. Step 6: Final answer
    x = 172,225.47

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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.