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Finding the Fourth Proportional to 107,583.40, 161,375.10 and 32,703.40

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Solution

The fourth proportional to 107,583.40, 161,375.10 and 32,703.40 is: 49,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,583.40 : 161,375.10 = 32,703.40 : x
  2. Step 2: Convert to fraction form
    107,583.40/161,375.10 = 32,703.40/x
  3. Step 3: Cross multiply
    107,583.40x = 161,375.10 × 32,703.40
  4. Step 4: Simplify right side
    107,583.40x = 5,277,514,445.34
  5. Step 5: Solve for x
    x = 5,277,514,445.34/107,583.40
  6. Step 6: Final answer
    x = 49,055.10

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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.