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Finding the Fourth Proportional to 146,363.70, 201,979.28 and 82,700.13

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Solution

The fourth proportional to 146,363.70, 201,979.28 and 82,700.13 is: 114,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,363.70 : 201,979.28 = 82,700.13 : x
  2. Step 2: Convert to fraction form
    146,363.70/201,979.28 = 82,700.13/x
  3. Step 3: Cross multiply
    146,363.70x = 201,979.28 × 82,700.13
  4. Step 4: Simplify right side
    146,363.70x = 16,703,712,299.81
  5. Step 5: Solve for x
    x = 16,703,712,299.81/146,363.70
  6. Step 6: Final answer
    x = 114,124.69

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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.