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Finding the Fourth Proportional to 66,097.13, 99,145.69 and 16,849.13

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Solution

The fourth proportional to 66,097.13, 99,145.69 and 16,849.13 is: 25,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,097.13 : 99,145.69 = 16,849.13 : x
  2. Step 2: Convert to fraction form
    66,097.13/99,145.69 = 16,849.13/x
  3. Step 3: Cross multiply
    66,097.13x = 99,145.69 × 16,849.13
  4. Step 4: Simplify right side
    66,097.13x = 1,670,518,081.90
  5. Step 5: Solve for x
    x = 1,670,518,081.90/66,097.13
  6. Step 6: Final answer
    x = 25,273.69

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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.