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Finding the Fourth Proportional to 101,323.40, 151,985.16 and 26,443.35

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Solution

The fourth proportional to 101,323.40, 151,985.16 and 26,443.35 is: 39,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,323.40 : 151,985.16 = 26,443.35 : x
  2. Step 2: Convert to fraction form
    101,323.40/151,985.16 = 26,443.35/x
  3. Step 3: Cross multiply
    101,323.40x = 151,985.16 × 26,443.35
  4. Step 4: Simplify right side
    101,323.40x = 4,018,996,780.69
  5. Step 5: Solve for x
    x = 4,018,996,780.69/101,323.40
  6. Step 6: Final answer
    x = 39,665.04

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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.