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Finding the Fourth Proportional to 163,897.92, 225,907.20 and 116,089.92

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Solution

The fourth proportional to 163,897.92, 225,907.20 and 116,089.92 is: 160,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,897.92 : 225,907.20 = 116,089.92 : x
  2. Step 2: Convert to fraction form
    163,897.92/225,907.20 = 116,089.92/x
  3. Step 3: Cross multiply
    163,897.92x = 225,907.20 × 116,089.92
  4. Step 4: Simplify right side
    163,897.92x = 26,225,548,775.42
  5. Step 5: Solve for x
    x = 26,225,548,775.42/163,897.92
  6. Step 6: Final answer
    x = 160,011.48

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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.