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Finding the Fourth Proportional to 96,699.09, 145,055.66 and 40,482.66

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Solution

The fourth proportional to 96,699.09, 145,055.66 and 40,482.66 is: 60,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,699.09 : 145,055.66 = 40,482.66 : x
  2. Step 2: Convert to fraction form
    96,699.09/145,055.66 = 40,482.66/x
  3. Step 3: Cross multiply
    96,699.09x = 145,055.66 × 40,482.66
  4. Step 4: Simplify right side
    96,699.09x = 5,872,238,964.86
  5. Step 5: Solve for x
    x = 5,872,238,964.86/96,699.09
  6. Step 6: Final answer
    x = 60,726.93

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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.