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Finding the Fourth Proportional to 136,058.60, 204,087.90 and 98,539.40

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Solution

The fourth proportional to 136,058.60, 204,087.90 and 98,539.40 is: 147,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,058.60 : 204,087.90 = 98,539.40 : x
  2. Step 2: Convert to fraction form
    136,058.60/204,087.90 = 98,539.40/x
  3. Step 3: Cross multiply
    136,058.60x = 204,087.90 × 98,539.40
  4. Step 4: Simplify right side
    136,058.60x = 20,110,699,213.26
  5. Step 5: Solve for x
    x = 20,110,699,213.26/136,058.60
  6. Step 6: Final answer
    x = 147,809.10

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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.