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Finding the Fourth Proportional to 369,237.52, 553,807.05 and 102,975.74

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Solution

The fourth proportional to 369,237.52, 553,807.05 and 102,975.74 is: 154,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,237.52 : 553,807.05 = 102,975.74 : x
  2. Step 2: Convert to fraction form
    369,237.52/553,807.05 = 102,975.74/x
  3. Step 3: Cross multiply
    369,237.52x = 553,807.05 × 102,975.74
  4. Step 4: Simplify right side
    369,237.52x = 57,028,690,790.97
  5. Step 5: Solve for x
    x = 57,028,690,790.97/369,237.52
  6. Step 6: Final answer
    x = 154,449.88

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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.