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Finding the Fourth Proportional to 101,725.48, 140,361.24 and 56,401.48

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Solution

The fourth proportional to 101,725.48, 140,361.24 and 56,401.48 is: 77,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,725.48 : 140,361.24 = 56,401.48 : x
  2. Step 2: Convert to fraction form
    101,725.48/140,361.24 = 56,401.48/x
  3. Step 3: Cross multiply
    101,725.48x = 140,361.24 × 56,401.48
  4. Step 4: Simplify right side
    101,725.48x = 7,916,581,670.64
  5. Step 5: Solve for x
    x = 7,916,581,670.64/101,725.48
  6. Step 6: Final answer
    x = 77,823.00

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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.