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Finding the Fourth Proportional to 119,473.84, 164,847.45 and 69,143.68

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Solution

The fourth proportional to 119,473.84, 164,847.45 and 69,143.68 is: 95,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,473.84 : 164,847.45 = 69,143.68 : x
  2. Step 2: Convert to fraction form
    119,473.84/164,847.45 = 69,143.68/x
  3. Step 3: Cross multiply
    119,473.84x = 164,847.45 × 69,143.68
  4. Step 4: Simplify right side
    119,473.84x = 11,398,159,331.62
  5. Step 5: Solve for x
    x = 11,398,159,331.62/119,473.84
  6. Step 6: Final answer
    x = 95,402.97

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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.