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Finding the Fourth Proportional to 369,205.73, 553,820.73 and 102,943.73

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Solution

The fourth proportional to 369,205.73, 553,820.73 and 102,943.73 is: 154,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,205.73 : 553,820.73 = 102,943.73 : x
  2. Step 2: Convert to fraction form
    369,205.73/553,820.73 = 102,943.73/x
  3. Step 3: Cross multiply
    369,205.73x = 553,820.73 × 102,943.73
  4. Step 4: Simplify right side
    369,205.73x = 57,012,371,697.52
  5. Step 5: Solve for x
    x = 57,012,371,697.52/369,205.73
  6. Step 6: Final answer
    x = 154,418.98

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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.