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Finding the Fourth Proportional to 216,514.38, 324,837.18 and 98,153.94

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Solution

The fourth proportional to 216,514.38, 324,837.18 and 98,153.94 is: 147,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,514.38 : 324,837.18 = 98,153.94 : x
  2. Step 2: Convert to fraction form
    216,514.38/324,837.18 = 98,153.94/x
  3. Step 3: Cross multiply
    216,514.38x = 324,837.18 × 98,153.94
  4. Step 4: Simplify right side
    216,514.38x = 31,884,049,075.49
  5. Step 5: Solve for x
    x = 31,884,049,075.49/216,514.38
  6. Step 6: Final answer
    x = 147,260.65

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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.