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Finding the Fourth Proportional to 173,407.60, 260,111.40 and 162,253.90

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Solution

The fourth proportional to 173,407.60, 260,111.40 and 162,253.90 is: 243,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.60 : 260,111.40 = 162,253.90 : x
  2. Step 2: Convert to fraction form
    173,407.60/260,111.40 = 162,253.90/x
  3. Step 3: Cross multiply
    173,407.60x = 260,111.40 × 162,253.90
  4. Step 4: Simplify right side
    173,407.60x = 42,204,089,084.46
  5. Step 5: Solve for x
    x = 42,204,089,084.46/173,407.60
  6. Step 6: Final answer
    x = 243,380.85

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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.