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Finding the Fourth Proportional to 518,014.75, 777,066.14 and 144,037.75

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Solution

The fourth proportional to 518,014.75, 777,066.14 and 144,037.75 is: 216,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,014.75 : 777,066.14 = 144,037.75 : x
  2. Step 2: Convert to fraction form
    518,014.75/777,066.14 = 144,037.75/x
  3. Step 3: Cross multiply
    518,014.75x = 777,066.14 × 144,037.75
  4. Step 4: Simplify right side
    518,014.75x = 111,926,857,686.60
  5. Step 5: Solve for x
    x = 111,926,857,686.60/518,014.75
  6. Step 6: Final answer
    x = 216,068.86

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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.