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Finding the Fourth Proportional to 254,730.68, 351,438.72 and 152,789.14

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Solution

The fourth proportional to 254,730.68, 351,438.72 and 152,789.14 is: 210,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,730.68 : 351,438.72 = 152,789.14 : x
  2. Step 2: Convert to fraction form
    254,730.68/351,438.72 = 152,789.14/x
  3. Step 3: Cross multiply
    254,730.68x = 351,438.72 × 152,789.14
  4. Step 4: Simplify right side
    254,730.68x = 53,696,019,791.50
  5. Step 5: Solve for x
    x = 53,696,019,791.50/254,730.68
  6. Step 6: Final answer
    x = 210,795.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.