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Finding the Fourth Proportional to 299,084.96, 448,558.28 and 88,672.16

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Solution

The fourth proportional to 299,084.96, 448,558.28 and 88,672.16 is: 132,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,084.96 : 448,558.28 = 88,672.16 : x
  2. Step 2: Convert to fraction form
    299,084.96/448,558.28 = 88,672.16/x
  3. Step 3: Cross multiply
    299,084.96x = 448,558.28 × 88,672.16
  4. Step 4: Simplify right side
    299,084.96x = 39,774,631,573.48
  5. Step 5: Solve for x
    x = 39,774,631,573.48/299,084.96
  6. Step 6: Final answer
    x = 132,987.74

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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.