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Finding the Fourth Proportional to 105,833.79, 146,051.10 and 58,087.53

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Solution

The fourth proportional to 105,833.79, 146,051.10 and 58,087.53 is: 80,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,833.79 : 146,051.10 = 58,087.53 : x
  2. Step 2: Convert to fraction form
    105,833.79/146,051.10 = 58,087.53/x
  3. Step 3: Cross multiply
    105,833.79x = 146,051.10 × 58,087.53
  4. Step 4: Simplify right side
    105,833.79x = 8,483,747,652.78
  5. Step 5: Solve for x
    x = 8,483,747,652.78/105,833.79
  6. Step 6: Final answer
    x = 80,161.05

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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.