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Finding the Fourth Proportional to 101,913.48, 140,644.16 and 56,592.24

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Solution

The fourth proportional to 101,913.48, 140,644.16 and 56,592.24 is: 78,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,913.48 : 140,644.16 = 56,592.24 : x
  2. Step 2: Convert to fraction form
    101,913.48/140,644.16 = 56,592.24/x
  3. Step 3: Cross multiply
    101,913.48x = 140,644.16 × 56,592.24
  4. Step 4: Simplify right side
    101,913.48x = 7,959,368,057.32
  5. Step 5: Solve for x
    x = 7,959,368,057.32/101,913.48
  6. Step 6: Final answer
    x = 78,099.27

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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.