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Finding the Fourth Proportional to 54,330.55, 76,166.45 and 54,330.55

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Solution

The fourth proportional to 54,330.55, 76,166.45 and 54,330.55 is: 76,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.55 : 76,166.45 = 54,330.55 : x
  2. Step 2: Convert to fraction form
    54,330.55/76,166.45 = 54,330.55/x
  3. Step 3: Cross multiply
    54,330.55x = 76,166.45 × 54,330.55
  4. Step 4: Simplify right side
    54,330.55x = 4,138,165,120.05
  5. Step 5: Solve for x
    x = 4,138,165,120.05/54,330.55
  6. Step 6: Final answer
    x = 76,166.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.