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Finding the Fourth Proportional to 246,503.31, 369,810.35 and 78,033.74

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Solution

The fourth proportional to 246,503.31, 369,810.35 and 78,033.74 is: 117,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,503.31 : 369,810.35 = 78,033.74 : x
  2. Step 2: Convert to fraction form
    246,503.31/369,810.35 = 78,033.74/x
  3. Step 3: Cross multiply
    246,503.31x = 369,810.35 × 78,033.74
  4. Step 4: Simplify right side
    246,503.31x = 28,857,683,581.60
  5. Step 5: Solve for x
    x = 28,857,683,581.60/246,503.31
  6. Step 6: Final answer
    x = 117,068.14

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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.