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Finding the Fourth Proportional to 107,032.88, 160,516.44 and 40,504.40

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Solution

The fourth proportional to 107,032.88, 160,516.44 and 40,504.40 is: 60,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,032.88 : 160,516.44 = 40,504.40 : x
  2. Step 2: Convert to fraction form
    107,032.88/160,516.44 = 40,504.40/x
  3. Step 3: Cross multiply
    107,032.88x = 160,516.44 × 40,504.40
  4. Step 4: Simplify right side
    107,032.88x = 6,501,622,092.34
  5. Step 5: Solve for x
    x = 6,501,622,092.34/107,032.88
  6. Step 6: Final answer
    x = 60,744.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.