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Finding the Fourth Proportional to 76,241.48, 105,234.42 and 53,585.48

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Solution

The fourth proportional to 76,241.48, 105,234.42 and 53,585.48 is: 73,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,241.48 : 105,234.42 = 53,585.48 : x
  2. Step 2: Convert to fraction form
    76,241.48/105,234.42 = 53,585.48/x
  3. Step 3: Cross multiply
    76,241.48x = 105,234.42 × 53,585.48
  4. Step 4: Simplify right side
    76,241.48x = 5,639,036,908.22
  5. Step 5: Solve for x
    x = 5,639,036,908.22/76,241.48
  6. Step 6: Final answer
    x = 73,962.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.