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Finding the Fourth Proportional to 355,253.73, 532,916.43 and 115,357.59

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Solution

The fourth proportional to 355,253.73, 532,916.43 and 115,357.59 is: 173,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,253.73 : 532,916.43 = 115,357.59 : x
  2. Step 2: Convert to fraction form
    355,253.73/532,916.43 = 115,357.59/x
  3. Step 3: Cross multiply
    355,253.73x = 532,916.43 × 115,357.59
  4. Step 4: Simplify right side
    355,253.73x = 61,475,955,036.20
  5. Step 5: Solve for x
    x = 61,475,955,036.20/355,253.73
  6. Step 6: Final answer
    x = 173,048.02

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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.