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Finding the Fourth Proportional to 114,609.66, 158,180.18 and 63,638.67

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Solution

The fourth proportional to 114,609.66, 158,180.18 and 63,638.67 is: 87,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,609.66 : 158,180.18 = 63,638.67 : x
  2. Step 2: Convert to fraction form
    114,609.66/158,180.18 = 63,638.67/x
  3. Step 3: Cross multiply
    114,609.66x = 158,180.18 × 63,638.67
  4. Step 4: Simplify right side
    114,609.66x = 10,066,376,275.56
  5. Step 5: Solve for x
    x = 10,066,376,275.56/114,609.66
  6. Step 6: Final answer
    x = 87,831.83

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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.