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Finding the Fourth Proportional to 299,019.01, 448,452.09 and 88,607.74

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Solution

The fourth proportional to 299,019.01, 448,452.09 and 88,607.74 is: 132,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,019.01 : 448,452.09 = 88,607.74 : x
  2. Step 2: Convert to fraction form
    299,019.01/448,452.09 = 88,607.74/x
  3. Step 3: Cross multiply
    299,019.01x = 448,452.09 × 88,607.74
  4. Step 4: Simplify right side
    299,019.01x = 39,736,326,193.18
  5. Step 5: Solve for x
    x = 39,736,326,193.18/299,019.01
  6. Step 6: Final answer
    x = 132,888.96

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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.