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Finding the Fourth Proportional to 88,681.40, 133,059.90 and 46,593.80

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Solution

The fourth proportional to 88,681.40, 133,059.90 and 46,593.80 is: 69,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.40 : 133,059.90 = 46,593.80 : x
  2. Step 2: Convert to fraction form
    88,681.40/133,059.90 = 46,593.80/x
  3. Step 3: Cross multiply
    88,681.40x = 133,059.90 × 46,593.80
  4. Step 4: Simplify right side
    88,681.40x = 6,199,766,368.62
  5. Step 5: Solve for x
    x = 6,199,766,368.62/88,681.40
  6. Step 6: Final answer
    x = 69,910.56

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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.