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Finding the Fourth Proportional to 107,427.60, 161,141.40 and 107,427.60

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Solution

The fourth proportional to 107,427.60, 161,141.40 and 107,427.60 is: 161,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,427.60 : 161,141.40 = 107,427.60 : x
  2. Step 2: Convert to fraction form
    107,427.60/161,141.40 = 107,427.60/x
  3. Step 3: Cross multiply
    107,427.60x = 161,141.40 × 107,427.60
  4. Step 4: Simplify right side
    107,427.60x = 17,311,033,862.64
  5. Step 5: Solve for x
    x = 17,311,033,862.64/107,427.60
  6. Step 6: Final answer
    x = 161,141.40

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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.