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Finding the Fourth Proportional to 301,980.75, 452,971.21 and 88,748.65

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Solution

The fourth proportional to 301,980.75, 452,971.21 and 88,748.65 is: 133,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,980.75 : 452,971.21 = 88,748.65 : x
  2. Step 2: Convert to fraction form
    301,980.75/452,971.21 = 88,748.65/x
  3. Step 3: Cross multiply
    301,980.75x = 452,971.21 × 88,748.65
  4. Step 4: Simplify right side
    301,980.75x = 40,200,585,597.90
  5. Step 5: Solve for x
    x = 40,200,585,597.90/301,980.75
  6. Step 6: Final answer
    x = 133,123.01

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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.