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Finding the Fourth Proportional to 169,690.91, 254,569.19 and 64,501.67

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Solution

The fourth proportional to 169,690.91, 254,569.19 and 64,501.67 is: 96,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,690.91 : 254,569.19 = 64,501.67 : x
  2. Step 2: Convert to fraction form
    169,690.91/254,569.19 = 64,501.67/x
  3. Step 3: Cross multiply
    169,690.91x = 254,569.19 × 64,501.67
  4. Step 4: Simplify right side
    169,690.91x = 16,420,138,199.46
  5. Step 5: Solve for x
    x = 16,420,138,199.46/169,690.91
  6. Step 6: Final answer
    x = 96,764.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.