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Finding the Fourth Proportional to 66,565.01, 99,736.81 and 46,802.14

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Solution

The fourth proportional to 66,565.01, 99,736.81 and 46,802.14 is: 70,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,565.01 : 99,736.81 = 46,802.14 : x
  2. Step 2: Convert to fraction form
    66,565.01/99,736.81 = 46,802.14/x
  3. Step 3: Cross multiply
    66,565.01x = 99,736.81 × 46,802.14
  4. Step 4: Simplify right side
    66,565.01x = 4,667,895,778.43
  5. Step 5: Solve for x
    x = 4,667,895,778.43/66,565.01
  6. Step 6: Final answer
    x = 70,125.36

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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.