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Finding the Fourth Proportional to 246,159.16, 369,238.74 and 77,692.60

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Solution

The fourth proportional to 246,159.16, 369,238.74 and 77,692.60 is: 116,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,159.16 : 369,238.74 = 77,692.60 : x
  2. Step 2: Convert to fraction form
    246,159.16/369,238.74 = 77,692.60/x
  3. Step 3: Cross multiply
    246,159.16x = 369,238.74 × 77,692.60
  4. Step 4: Simplify right side
    246,159.16x = 28,687,117,731.32
  5. Step 5: Solve for x
    x = 28,687,117,731.32/246,159.16
  6. Step 6: Final answer
    x = 116,538.90

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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.