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Finding the Fourth Proportional to 88,351.69, 132,431.15 and 43,403.98

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Solution

The fourth proportional to 88,351.69, 132,431.15 and 43,403.98 is: 65,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,351.69 : 132,431.15 = 43,403.98 : x
  2. Step 2: Convert to fraction form
    88,351.69/132,431.15 = 43,403.98/x
  3. Step 3: Cross multiply
    88,351.69x = 132,431.15 × 43,403.98
  4. Step 4: Simplify right side
    88,351.69x = 5,748,038,985.98
  5. Step 5: Solve for x
    x = 5,748,038,985.98/88,351.69
  6. Step 6: Final answer
    x = 65,058.62

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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.