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Finding the Fourth Proportional to 173,360.60, 259,652.10 and 142,256.60

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Solution

The fourth proportional to 173,360.60, 259,652.10 and 142,256.60 is: 213,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,360.60 : 259,652.10 = 142,256.60 : x
  2. Step 2: Convert to fraction form
    173,360.60/259,652.10 = 142,256.60/x
  3. Step 3: Cross multiply
    173,360.60x = 259,652.10 × 142,256.60
  4. Step 4: Simplify right side
    173,360.60x = 36,937,224,928.86
  5. Step 5: Solve for x
    x = 36,937,224,928.86/173,360.60
  6. Step 6: Final answer
    x = 213,065.86

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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.