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Finding the Fourth Proportional to 299,085.96, 448,559.78 and 88,673.16

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Solution

The fourth proportional to 299,085.96, 448,559.78 and 88,673.16 is: 132,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,085.96 : 448,559.78 = 88,673.16 : x
  2. Step 2: Convert to fraction form
    299,085.96/448,559.78 = 88,673.16/x
  3. Step 3: Cross multiply
    299,085.96x = 448,559.78 × 88,673.16
  4. Step 4: Simplify right side
    299,085.96x = 39,775,213,141.50
  5. Step 5: Solve for x
    x = 39,775,213,141.50/299,085.96
  6. Step 6: Final answer
    x = 132,989.24

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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.