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Finding the Fourth Proportional to 119,570.06, 165,014.17 and 65,855.06

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Solution

The fourth proportional to 119,570.06, 165,014.17 and 65,855.06 is: 90,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,570.06 : 165,014.17 = 65,855.06 : x
  2. Step 2: Convert to fraction form
    119,570.06/165,014.17 = 65,855.06/x
  3. Step 3: Cross multiply
    119,570.06x = 165,014.17 × 65,855.06
  4. Step 4: Simplify right side
    119,570.06x = 10,867,018,993.93
  5. Step 5: Solve for x
    x = 10,867,018,993.93/119,570.06
  6. Step 6: Final answer
    x = 90,884.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.