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Finding the Fourth Proportional to 151,387, 227,076.18 and 46,190.68

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Solution

The fourth proportional to 151,387, 227,076.18 and 46,190.68 is: 69,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,387 : 227,076.18 = 46,190.68 : x
  2. Step 2: Convert to fraction form
    151,387/227,076.18 = 46,190.68/x
  3. Step 3: Cross multiply
    151,387x = 227,076.18 × 46,190.68
  4. Step 4: Simplify right side
    151,387x = 10,488,803,166.00
  5. Step 5: Solve for x
    x = 10,488,803,166.00/151,387
  6. Step 6: Final answer
    x = 69,284.70

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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.