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Finding the Fourth Proportional to 254,866.14, 351,715.65 and 141,688.89

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Solution

The fourth proportional to 254,866.14, 351,715.65 and 141,688.89 is: 195,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,866.14 : 351,715.65 = 141,688.89 : x
  2. Step 2: Convert to fraction form
    254,866.14/351,715.65 = 141,688.89/x
  3. Step 3: Cross multiply
    254,866.14x = 351,715.65 × 141,688.89
  4. Step 4: Simplify right side
    254,866.14x = 49,834,200,044.13
  5. Step 5: Solve for x
    x = 49,834,200,044.13/254,866.14
  6. Step 6: Final answer
    x = 195,530.88

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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.