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Finding the Fourth Proportional to 173,290.60, 260,051.10 and 98,410.60

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Solution

The fourth proportional to 173,290.60, 260,051.10 and 98,410.60 is: 147,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,290.60 : 260,051.10 = 98,410.60 : x
  2. Step 2: Convert to fraction form
    173,290.60/260,051.10 = 98,410.60/x
  3. Step 3: Cross multiply
    173,290.60x = 260,051.10 × 98,410.60
  4. Step 4: Simplify right side
    173,290.60x = 25,591,784,781.66
  5. Step 5: Solve for x
    x = 25,591,784,781.66/173,290.60
  6. Step 6: Final answer
    x = 147,681.32

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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.