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Finding the Fourth Proportional to 118,577.84, 177,713.88 and 88,762.16

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Solution

The fourth proportional to 118,577.84, 177,713.88 and 88,762.16 is: 133,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,577.84 : 177,713.88 = 88,762.16 : x
  2. Step 2: Convert to fraction form
    118,577.84/177,713.88 = 88,762.16/x
  3. Step 3: Cross multiply
    118,577.84x = 177,713.88 × 88,762.16
  4. Step 4: Simplify right side
    118,577.84x = 15,774,267,850.78
  5. Step 5: Solve for x
    x = 15,774,267,850.78/118,577.84
  6. Step 6: Final answer
    x = 133,028.80

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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.