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Finding the Fourth Proportional to 147,060.51, 202,936.10 and 83,404.23

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Solution

The fourth proportional to 147,060.51, 202,936.10 and 83,404.23 is: 115,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,060.51 : 202,936.10 = 83,404.23 : x
  2. Step 2: Convert to fraction form
    147,060.51/202,936.10 = 83,404.23/x
  3. Step 3: Cross multiply
    147,060.51x = 202,936.10 × 83,404.23
  4. Step 4: Simplify right side
    147,060.51x = 16,925,728,742.68
  5. Step 5: Solve for x
    x = 16,925,728,742.68/147,060.51
  6. Step 6: Final answer
    x = 115,093.64

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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.