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Finding the Fourth Proportional to 119,752.32, 165,255.04 and 66,035.52

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Solution

The fourth proportional to 119,752.32, 165,255.04 and 66,035.52 is: 91,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,752.32 : 165,255.04 = 66,035.52 : x
  2. Step 2: Convert to fraction form
    119,752.32/165,255.04 = 66,035.52/x
  3. Step 3: Cross multiply
    119,752.32x = 165,255.04 × 66,035.52
  4. Step 4: Simplify right side
    119,752.32x = 10,912,702,499.02
  5. Step 5: Solve for x
    x = 10,912,702,499.02/119,752.32
  6. Step 6: Final answer
    x = 91,127.27

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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.