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Finding the Fourth Proportional to 177,994.55, 266,957.79 and 53,335.55

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Solution

The fourth proportional to 177,994.55, 266,957.79 and 53,335.55 is: 79,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,994.55 : 266,957.79 = 53,335.55 : x
  2. Step 2: Convert to fraction form
    177,994.55/266,957.79 = 53,335.55/x
  3. Step 3: Cross multiply
    177,994.55x = 266,957.79 × 53,335.55
  4. Step 4: Simplify right side
    177,994.55x = 14,238,339,221.65
  5. Step 5: Solve for x
    x = 14,238,339,221.65/177,994.55
  6. Step 6: Final answer
    x = 79,993.12

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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.