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Finding the Fourth Proportional to 107,681.40, 161,522.10 and 32,801.40

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Solution

The fourth proportional to 107,681.40, 161,522.10 and 32,801.40 is: 49,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681.40 : 161,522.10 = 32,801.40 : x
  2. Step 2: Convert to fraction form
    107,681.40/161,522.10 = 32,801.40/x
  3. Step 3: Cross multiply
    107,681.40x = 161,522.10 × 32,801.40
  4. Step 4: Simplify right side
    107,681.40x = 5,298,151,010.94
  5. Step 5: Solve for x
    x = 5,298,151,010.94/107,681.40
  6. Step 6: Final answer
    x = 49,202.10

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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.