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Finding the Fourth Proportional to 144,767.68, 216,830.72 and 111,240.96

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Solution

The fourth proportional to 144,767.68, 216,830.72 and 111,240.96 is: 166,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,767.68 : 216,830.72 = 111,240.96 : x
  2. Step 2: Convert to fraction form
    144,767.68/216,830.72 = 111,240.96/x
  3. Step 3: Cross multiply
    144,767.68x = 216,830.72 × 111,240.96
  4. Step 4: Simplify right side
    144,767.68x = 24,120,457,450.29
  5. Step 5: Solve for x
    x = 24,120,457,450.29/144,767.68
  6. Step 6: Final answer
    x = 166,614.93

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1.5x scale

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.