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Finding the Fourth Proportional to 101,476.34, 140,032.38 and 56,153.48

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Solution

The fourth proportional to 101,476.34, 140,032.38 and 56,153.48 is: 77,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.34 : 140,032.38 = 56,153.48 : x
  2. Step 2: Convert to fraction form
    101,476.34/140,032.38 = 56,153.48/x
  3. Step 3: Cross multiply
    101,476.34x = 140,032.38 × 56,153.48
  4. Step 4: Simplify right side
    101,476.34x = 7,863,305,449.68
  5. Step 5: Solve for x
    x = 7,863,305,449.68/101,476.34
  6. Step 6: Final answer
    x = 77,489.05

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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.