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Finding the Fourth Proportional to 246,503.63, 369,810.82 and 78,034.05

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Solution

The fourth proportional to 246,503.63, 369,810.82 and 78,034.05 is: 117,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,503.63 : 369,810.82 = 78,034.05 : x
  2. Step 2: Convert to fraction form
    246,503.63/369,810.82 = 78,034.05/x
  3. Step 3: Cross multiply
    246,503.63x = 369,810.82 × 78,034.05
  4. Step 4: Simplify right side
    246,503.63x = 28,857,835,823.34
  5. Step 5: Solve for x
    x = 28,857,835,823.34/246,503.63
  6. Step 6: Final answer
    x = 117,068.61

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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.