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Finding the Fourth Proportional to 246,507.39, 369,816.45 and 78,037.80

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Solution

The fourth proportional to 246,507.39, 369,816.45 and 78,037.80 is: 117,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,507.39 : 369,816.45 = 78,037.80 : x
  2. Step 2: Convert to fraction form
    246,507.39/369,816.45 = 78,037.80/x
  3. Step 3: Cross multiply
    246,507.39x = 369,816.45 × 78,037.80
  4. Step 4: Simplify right side
    246,507.39x = 28,859,662,161.81
  5. Step 5: Solve for x
    x = 28,859,662,161.81/246,507.39
  6. Step 6: Final answer
    x = 117,074.23

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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.