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Finding the Fourth Proportional to 101,328.80, 152,001.84 and 26,458.88

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Solution

The fourth proportional to 101,328.80, 152,001.84 and 26,458.88 is: 39,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,328.80 : 152,001.84 = 26,458.88 : x
  2. Step 2: Convert to fraction form
    101,328.80/152,001.84 = 26,458.88/x
  3. Step 3: Cross multiply
    101,328.80x = 152,001.84 × 26,458.88
  4. Step 4: Simplify right side
    101,328.80x = 4,021,798,444.34
  5. Step 5: Solve for x
    x = 4,021,798,444.34/101,328.80
  6. Step 6: Final answer
    x = 39,690.58

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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.