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Finding the Fourth Proportional to 354,169.40, 531,097.35 and 101,392.29

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Solution

The fourth proportional to 354,169.40, 531,097.35 and 101,392.29 is: 152,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,169.40 : 531,097.35 = 101,392.29 : x
  2. Step 2: Convert to fraction form
    354,169.40/531,097.35 = 101,392.29/x
  3. Step 3: Cross multiply
    354,169.40x = 531,097.35 × 101,392.29
  4. Step 4: Simplify right side
    354,169.40x = 53,849,176,719.54
  5. Step 5: Solve for x
    x = 53,849,176,719.54/354,169.40
  6. Step 6: Final answer
    x = 152,043.56

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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.