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Finding the Fourth Proportional to 369,933.92, 554,994.84 and 103,695.56

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Solution

The fourth proportional to 369,933.92, 554,994.84 and 103,695.56 is: 155,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,933.92 : 554,994.84 = 103,695.56 : x
  2. Step 2: Convert to fraction form
    369,933.92/554,994.84 = 103,695.56/x
  3. Step 3: Cross multiply
    369,933.92x = 554,994.84 × 103,695.56
  4. Step 4: Simplify right side
    369,933.92x = 57,550,500,730.91
  5. Step 5: Solve for x
    x = 57,550,500,730.91/369,933.92
  6. Step 6: Final answer
    x = 155,569.68

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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.