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Finding the Fourth Proportional to 181,404.24, 250,250.76 and 156,210

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Solution

The fourth proportional to 181,404.24, 250,250.76 and 156,210 is: 215,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,404.24 : 250,250.76 = 156,210 : x
  2. Step 2: Convert to fraction form
    181,404.24/250,250.76 = 156,210/x
  3. Step 3: Cross multiply
    181,404.24x = 250,250.76 × 156,210
  4. Step 4: Simplify right side
    181,404.24x = 39,091,671,219.60
  5. Step 5: Solve for x
    x = 39,091,671,219.60/181,404.24
  6. Step 6: Final answer
    x = 215,494.80

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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.