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Finding the Fourth Proportional to 88,718, 133,116.58 and 48,203.80

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Solution

The fourth proportional to 88,718, 133,116.58 and 48,203.80 is: 72,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718 : 133,116.58 = 48,203.80 : x
  2. Step 2: Convert to fraction form
    88,718/133,116.58 = 48,203.80/x
  3. Step 3: Cross multiply
    88,718x = 133,116.58 × 48,203.80
  4. Step 4: Simplify right side
    88,718x = 6,416,724,999.00
  5. Step 5: Solve for x
    x = 6,416,724,999.00/88,718
  6. Step 6: Final answer
    x = 72,327.21

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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.