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Finding the Fourth Proportional to 101,516.01, 140,090.39 and 56,193.02

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Solution

The fourth proportional to 101,516.01, 140,090.39 and 56,193.02 is: 77,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,516.01 : 140,090.39 = 56,193.02 : x
  2. Step 2: Convert to fraction form
    101,516.01/140,090.39 = 56,193.02/x
  3. Step 3: Cross multiply
    101,516.01x = 140,090.39 × 56,193.02
  4. Step 4: Simplify right side
    101,516.01x = 7,872,101,527.11
  5. Step 5: Solve for x
    x = 7,872,101,527.11/101,516.01
  6. Step 6: Final answer
    x = 77,545.42

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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.