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Finding the Fourth Proportional to 518,071.38, 777,150.82 and 144,094.38

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Solution

The fourth proportional to 518,071.38, 777,150.82 and 144,094.38 is: 216,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,071.38 : 777,150.82 = 144,094.38 : x
  2. Step 2: Convert to fraction form
    518,071.38/777,150.82 = 144,094.38/x
  3. Step 3: Cross multiply
    518,071.38x = 777,150.82 × 144,094.38
  4. Step 4: Simplify right side
    518,071.38x = 111,983,065,574.39
  5. Step 5: Solve for x
    x = 111,983,065,574.39/518,071.38
  6. Step 6: Final answer
    x = 216,153.74

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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.