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Finding the Fourth Proportional to 110,058.67, 165,153.59 and 39,943.45

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Solution

The fourth proportional to 110,058.67, 165,153.59 and 39,943.45 is: 59,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,058.67 : 165,153.59 = 39,943.45 : x
  2. Step 2: Convert to fraction form
    110,058.67/165,153.59 = 39,943.45/x
  3. Step 3: Cross multiply
    110,058.67x = 165,153.59 × 39,943.45
  4. Step 4: Simplify right side
    110,058.67x = 6,596,804,164.49
  5. Step 5: Solve for x
    x = 6,596,804,164.49/110,058.67
  6. Step 6: Final answer
    x = 59,938.98

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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.