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Finding the Fourth Proportional to 107,362.80, 161,091.72 and 37,292.40

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Solution

The fourth proportional to 107,362.80, 161,091.72 and 37,292.40 is: 55,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,362.80 : 161,091.72 = 37,292.40 : x
  2. Step 2: Convert to fraction form
    107,362.80/161,091.72 = 37,292.40/x
  3. Step 3: Cross multiply
    107,362.80x = 161,091.72 × 37,292.40
  4. Step 4: Simplify right side
    107,362.80x = 6,007,496,858.93
  5. Step 5: Solve for x
    x = 6,007,496,858.93/107,362.80
  6. Step 6: Final answer
    x = 55,955.11

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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.