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Finding the Fourth Proportional to 225,277.47, 338,032.70 and 99,006.32

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Solution

The fourth proportional to 225,277.47, 338,032.70 and 99,006.32 is: 148,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,277.47 : 338,032.70 = 99,006.32 : x
  2. Step 2: Convert to fraction form
    225,277.47/338,032.70 = 99,006.32/x
  3. Step 3: Cross multiply
    225,277.47x = 338,032.70 × 99,006.32
  4. Step 4: Simplify right side
    225,277.47x = 33,467,373,666.66
  5. Step 5: Solve for x
    x = 33,467,373,666.66/225,277.47
  6. Step 6: Final answer
    x = 148,560.68

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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.