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Finding the Fourth Proportional to 119,677.56, 165,154.14 and 65,962.68

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Solution

The fourth proportional to 119,677.56, 165,154.14 and 65,962.68 is: 91,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,677.56 : 165,154.14 = 65,962.68 : x
  2. Step 2: Convert to fraction form
    119,677.56/165,154.14 = 65,962.68/x
  3. Step 3: Cross multiply
    119,677.56x = 165,154.14 × 65,962.68
  4. Step 4: Simplify right side
    119,677.56x = 10,894,009,687.50
  5. Step 5: Solve for x
    x = 10,894,009,687.50/119,677.56
  6. Step 6: Final answer
    x = 91,028.01

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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.