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Finding the Fourth Proportional to 119,562.29, 164,981.63 and 68,572.38

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Solution

The fourth proportional to 119,562.29, 164,981.63 and 68,572.38 is: 94,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,562.29 : 164,981.63 = 68,572.38 : x
  2. Step 2: Convert to fraction form
    119,562.29/164,981.63 = 68,572.38/x
  3. Step 3: Cross multiply
    119,562.29x = 164,981.63 × 68,572.38
  4. Step 4: Simplify right side
    119,562.29x = 11,313,182,682.52
  5. Step 5: Solve for x
    x = 11,313,182,682.52/119,562.29
  6. Step 6: Final answer
    x = 94,621.67

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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.