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Finding the Fourth Proportional to 246,424.08, 369,681.60 and 77,986.80

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Solution

The fourth proportional to 246,424.08, 369,681.60 and 77,986.80 is: 116,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,424.08 : 369,681.60 = 77,986.80 : x
  2. Step 2: Convert to fraction form
    246,424.08/369,681.60 = 77,986.80/x
  3. Step 3: Cross multiply
    246,424.08x = 369,681.60 × 77,986.80
  4. Step 4: Simplify right side
    246,424.08x = 28,830,285,002.88
  5. Step 5: Solve for x
    x = 28,830,285,002.88/246,424.08
  6. Step 6: Final answer
    x = 116,994.59

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1.5x scale

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.