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Finding the Fourth Proportional to 119,199.25, 164,494.29 and 65,483.12

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Solution

The fourth proportional to 119,199.25, 164,494.29 and 65,483.12 is: 90,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,199.25 : 164,494.29 = 65,483.12 : x
  2. Step 2: Convert to fraction form
    119,199.25/164,494.29 = 65,483.12/x
  3. Step 3: Cross multiply
    119,199.25x = 164,494.29 × 65,483.12
  4. Step 4: Simplify right side
    119,199.25x = 10,771,599,331.38
  5. Step 5: Solve for x
    x = 10,771,599,331.38/119,199.25
  6. Step 6: Final answer
    x = 90,366.33

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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.