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Finding the Fourth Proportional to 299,045.34, 448,654.59 and 88,688.34

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Solution

The fourth proportional to 299,045.34, 448,654.59 and 88,688.34 is: 133,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,045.34 : 448,654.59 = 88,688.34 : x
  2. Step 2: Convert to fraction form
    299,045.34/448,654.59 = 88,688.34/x
  3. Step 3: Cross multiply
    299,045.34x = 448,654.59 × 88,688.34
  4. Step 4: Simplify right side
    299,045.34x = 39,790,430,820.48
  5. Step 5: Solve for x
    x = 39,790,430,820.48/299,045.34
  6. Step 6: Final answer
    x = 133,058.19

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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.