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Finding the Fourth Proportional to 301,732.78, 452,657.52 and 102,085.70

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Solution

The fourth proportional to 301,732.78, 452,657.52 and 102,085.70 is: 153,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,732.78 : 452,657.52 = 102,085.70 : x
  2. Step 2: Convert to fraction form
    301,732.78/452,657.52 = 102,085.70/x
  3. Step 3: Cross multiply
    301,732.78x = 452,657.52 × 102,085.70
  4. Step 4: Simplify right side
    301,732.78x = 46,209,859,789.46
  5. Step 5: Solve for x
    x = 46,209,859,789.46/301,732.78
  6. Step 6: Final answer
    x = 153,148.29

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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.