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Finding the Fourth Proportional to 144,174.65, 216,308.27 and 69,300.24

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Solution

The fourth proportional to 144,174.65, 216,308.27 and 69,300.24 is: 103,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,174.65 : 216,308.27 = 69,300.24 : x
  2. Step 2: Convert to fraction form
    144,174.65/216,308.27 = 69,300.24/x
  3. Step 3: Cross multiply
    144,174.65x = 216,308.27 × 69,300.24
  4. Step 4: Simplify right side
    144,174.65x = 14,990,214,678.48
  5. Step 5: Solve for x
    x = 14,990,214,678.48/144,174.65
  6. Step 6: Final answer
    x = 103,972.61

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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.