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Finding the Fourth Proportional to 173,873.60, 260,848.20 and 99,029.60

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Solution

The fourth proportional to 173,873.60, 260,848.20 and 99,029.60 is: 148,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,873.60 : 260,848.20 = 99,029.60 : x
  2. Step 2: Convert to fraction form
    173,873.60/260,848.20 = 99,029.60/x
  3. Step 3: Cross multiply
    173,873.60x = 260,848.20 × 99,029.60
  4. Step 4: Simplify right side
    173,873.60x = 25,831,692,906.72
  5. Step 5: Solve for x
    x = 25,831,692,906.72/173,873.60
  6. Step 6: Final answer
    x = 148,565.93

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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.