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Finding the Fourth Proportional to 114,353.88, 157,808.36 and 69,641.88

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Solution

The fourth proportional to 114,353.88, 157,808.36 and 69,641.88 is: 96,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,353.88 : 157,808.36 = 69,641.88 : x
  2. Step 2: Convert to fraction form
    114,353.88/157,808.36 = 69,641.88/x
  3. Step 3: Cross multiply
    114,353.88x = 157,808.36 × 69,641.88
  4. Step 4: Simplify right side
    114,353.88x = 10,990,070,870.12
  5. Step 5: Solve for x
    x = 10,990,070,870.12/114,353.88
  6. Step 6: Final answer
    x = 96,105.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.