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Finding the Fourth Proportional to 216,514.01, 324,836.62 and 98,153.57

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Solution

The fourth proportional to 216,514.01, 324,836.62 and 98,153.57 is: 147,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,514.01 : 324,836.62 = 98,153.57 : x
  2. Step 2: Convert to fraction form
    216,514.01/324,836.62 = 98,153.57/x
  3. Step 3: Cross multiply
    216,514.01x = 324,836.62 × 98,153.57
  4. Step 4: Simplify right side
    216,514.01x = 31,883,872,050.17
  5. Step 5: Solve for x
    x = 31,883,872,050.17/216,514.01
  6. Step 6: Final answer
    x = 147,260.09

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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.