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Finding the Fourth Proportional to 75,767.80, 104,554.14 and 43,931.32

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Solution

The fourth proportional to 75,767.80, 104,554.14 and 43,931.32 is: 60,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,767.80 : 104,554.14 = 43,931.32 : x
  2. Step 2: Convert to fraction form
    75,767.80/104,554.14 = 43,931.32/x
  3. Step 3: Cross multiply
    75,767.80x = 104,554.14 × 43,931.32
  4. Step 4: Simplify right side
    75,767.80x = 4,593,201,381.66
  5. Step 5: Solve for x
    x = 4,593,201,381.66/75,767.80
  6. Step 6: Final answer
    x = 60,622.08

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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.