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Finding the Fourth Proportional to 630,159.24, 945,234 and 156,841.41

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Solution

The fourth proportional to 630,159.24, 945,234 and 156,841.41 is: 235,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,159.24 : 945,234 = 156,841.41 : x
  2. Step 2: Convert to fraction form
    630,159.24/945,234 = 156,841.41/x
  3. Step 3: Cross multiply
    630,159.24x = 945,234 × 156,841.41
  4. Step 4: Simplify right side
    630,159.24x = 148,251,833,339.94
  5. Step 5: Solve for x
    x = 148,251,833,339.94/630,159.24
  6. Step 6: Final answer
    x = 235,260.91

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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.