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Finding the Fourth Proportional to 119,243.34, 164,545.11 and 65,527.74

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Solution

The fourth proportional to 119,243.34, 164,545.11 and 65,527.74 is: 90,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,243.34 : 164,545.11 = 65,527.74 : x
  2. Step 2: Convert to fraction form
    119,243.34/164,545.11 = 65,527.74/x
  3. Step 3: Cross multiply
    119,243.34x = 164,545.11 × 65,527.74
  4. Step 4: Simplify right side
    119,243.34x = 10,782,269,186.35
  5. Step 5: Solve for x
    x = 10,782,269,186.35/119,243.34
  6. Step 6: Final answer
    x = 90,422.40

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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.