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Finding the Fourth Proportional to 178,748.93, 246,613.50 and 101,213.98

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Solution

The fourth proportional to 178,748.93, 246,613.50 and 101,213.98 is: 139,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,748.93 : 246,613.50 = 101,213.98 : x
  2. Step 2: Convert to fraction form
    178,748.93/246,613.50 = 101,213.98/x
  3. Step 3: Cross multiply
    178,748.93x = 246,613.50 × 101,213.98
  4. Step 4: Simplify right side
    178,748.93x = 24,960,732,117.59
  5. Step 5: Solve for x
    x = 24,960,732,117.59/178,748.93
  6. Step 6: Final answer
    x = 139,641.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.