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Finding the Fourth Proportional to 119,897.95, 165,458.40 and 66,182.95

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Solution

The fourth proportional to 119,897.95, 165,458.40 and 66,182.95 is: 91,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,897.95 : 165,458.40 = 66,182.95 : x
  2. Step 2: Convert to fraction form
    119,897.95/165,458.40 = 66,182.95/x
  3. Step 3: Cross multiply
    119,897.95x = 165,458.40 × 66,182.95
  4. Step 4: Simplify right side
    119,897.95x = 10,950,524,507.57
  5. Step 5: Solve for x
    x = 10,950,524,507.57/119,897.95
  6. Step 6: Final answer
    x = 91,332.04

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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.