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Finding the Fourth Proportional to 146,083.70, 201,595.13 and 79,015.70

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Solution

The fourth proportional to 146,083.70, 201,595.13 and 79,015.70 is: 109,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,083.70 : 201,595.13 = 79,015.70 : x
  2. Step 2: Convert to fraction form
    146,083.70/201,595.13 = 79,015.70/x
  3. Step 3: Cross multiply
    146,083.70x = 201,595.13 × 79,015.70
  4. Step 4: Simplify right side
    146,083.70x = 15,929,180,718.76
  5. Step 5: Solve for x
    x = 15,929,180,718.76/146,083.70
  6. Step 6: Final answer
    x = 109,041.46

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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.