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Finding the Fourth Proportional to 119,884.71, 165,429.12 and 66,166.27

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Solution

The fourth proportional to 119,884.71, 165,429.12 and 66,166.27 is: 91,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,884.71 : 165,429.12 = 66,166.27 : x
  2. Step 2: Convert to fraction form
    119,884.71/165,429.12 = 66,166.27/x
  3. Step 3: Cross multiply
    119,884.71x = 165,429.12 × 66,166.27
  4. Step 4: Simplify right side
    119,884.71x = 10,945,827,075.38
  5. Step 5: Solve for x
    x = 10,945,827,075.38/119,884.71
  6. Step 6: Final answer
    x = 91,302.94

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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.