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Finding the Fourth Proportional to 313,188.77, 432,201.65 and 169,948.81

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Solution

The fourth proportional to 313,188.77, 432,201.65 and 169,948.81 is: 234,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,188.77 : 432,201.65 = 169,948.81 : x
  2. Step 2: Convert to fraction form
    313,188.77/432,201.65 = 169,948.81/x
  3. Step 3: Cross multiply
    313,188.77x = 432,201.65 × 169,948.81
  4. Step 4: Simplify right side
    313,188.77x = 73,452,154,167.29
  5. Step 5: Solve for x
    x = 73,452,154,167.29/313,188.77
  6. Step 6: Final answer
    x = 234,529.97

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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.