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Finding the Fourth Proportional to 156,245.24, 234,378.84 and 62,751

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Solution

The fourth proportional to 156,245.24, 234,378.84 and 62,751 is: 94,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,245.24 : 234,378.84 = 62,751 : x
  2. Step 2: Convert to fraction form
    156,245.24/234,378.84 = 62,751/x
  3. Step 3: Cross multiply
    156,245.24x = 234,378.84 × 62,751
  4. Step 4: Simplify right side
    156,245.24x = 14,707,506,588.84
  5. Step 5: Solve for x
    x = 14,707,506,588.84/156,245.24
  6. Step 6: Final answer
    x = 94,130.91

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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.