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Finding the Fourth Proportional to 77,482.64, 116,218.20 and 44,097.92

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Solution

The fourth proportional to 77,482.64, 116,218.20 and 44,097.92 is: 66,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,482.64 : 116,218.20 = 44,097.92 : x
  2. Step 2: Convert to fraction form
    77,482.64/116,218.20 = 44,097.92/x
  3. Step 3: Cross multiply
    77,482.64x = 116,218.20 × 44,097.92
  4. Step 4: Simplify right side
    77,482.64x = 5,124,980,886.14
  5. Step 5: Solve for x
    x = 5,124,980,886.14/77,482.64
  6. Step 6: Final answer
    x = 66,143.60

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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.