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Finding the Fourth Proportional to 105,832.80, 146,052.72 and 60,494.40

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Solution

The fourth proportional to 105,832.80, 146,052.72 and 60,494.40 is: 83,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,832.80 : 146,052.72 = 60,494.40 : x
  2. Step 2: Convert to fraction form
    105,832.80/146,052.72 = 60,494.40/x
  3. Step 3: Cross multiply
    105,832.80x = 146,052.72 × 60,494.40
  4. Step 4: Simplify right side
    105,832.80x = 8,835,371,664.77
  5. Step 5: Solve for x
    x = 8,835,371,664.77/105,832.80
  6. Step 6: Final answer
    x = 83,484.25

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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.