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Finding the Fourth Proportional to 518,064.35, 777,096.53 and 144,087.35

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Solution

The fourth proportional to 518,064.35, 777,096.53 and 144,087.35 is: 216,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,064.35 : 777,096.53 = 144,087.35 : x
  2. Step 2: Convert to fraction form
    518,064.35/777,096.53 = 144,087.35/x
  3. Step 3: Cross multiply
    518,064.35x = 777,096.53 × 144,087.35
  4. Step 4: Simplify right side
    518,064.35x = 111,969,778,981.46
  5. Step 5: Solve for x
    x = 111,969,778,981.46/518,064.35
  6. Step 6: Final answer
    x = 216,131.03

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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.