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Finding the Fourth Proportional to 146,302.39, 201,894.89 and 81,773.13

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Solution

The fourth proportional to 146,302.39, 201,894.89 and 81,773.13 is: 112,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,302.39 : 201,894.89 = 81,773.13 : x
  2. Step 2: Convert to fraction form
    146,302.39/201,894.89 = 81,773.13/x
  3. Step 3: Cross multiply
    146,302.39x = 201,894.89 × 81,773.13
  4. Step 4: Simplify right side
    146,302.39x = 16,509,577,086.31
  5. Step 5: Solve for x
    x = 16,509,577,086.31/146,302.39
  6. Step 6: Final answer
    x = 112,845.57

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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.