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Finding the Fourth Proportional to 104,502.81, 144,222.78 and 59,188.86

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Solution

The fourth proportional to 104,502.81, 144,222.78 and 59,188.86 is: 81,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,502.81 : 144,222.78 = 59,188.86 : x
  2. Step 2: Convert to fraction form
    104,502.81/144,222.78 = 59,188.86/x
  3. Step 3: Cross multiply
    104,502.81x = 144,222.78 × 59,188.86
  4. Step 4: Simplify right side
    104,502.81x = 8,536,381,934.23
  5. Step 5: Solve for x
    x = 8,536,381,934.23/104,502.81
  6. Step 6: Final answer
    x = 81,685.67

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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.