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Finding the Fourth Proportional to 96,993.88, 145,526.36 and 40,848.12

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Solution

The fourth proportional to 96,993.88, 145,526.36 and 40,848.12 is: 61,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,993.88 : 145,526.36 = 40,848.12 : x
  2. Step 2: Convert to fraction form
    96,993.88/145,526.36 = 40,848.12/x
  3. Step 3: Cross multiply
    96,993.88x = 145,526.36 × 40,848.12
  4. Step 4: Simplify right side
    96,993.88x = 5,944,478,012.20
  5. Step 5: Solve for x
    x = 5,944,478,012.20/96,993.88
  6. Step 6: Final answer
    x = 61,287.15

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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.