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Finding the Fourth Proportional to 65,390.88, 98,100.90 and 23,837.88

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Solution

The fourth proportional to 65,390.88, 98,100.90 and 23,837.88 is: 35,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,390.88 : 98,100.90 = 23,837.88 : x
  2. Step 2: Convert to fraction form
    65,390.88/98,100.90 = 23,837.88/x
  3. Step 3: Cross multiply
    65,390.88x = 98,100.90 × 23,837.88
  4. Step 4: Simplify right side
    65,390.88x = 2,338,517,482.09
  5. Step 5: Solve for x
    x = 2,338,517,482.09/65,390.88
  6. Step 6: Final answer
    x = 35,762.14

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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.