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Finding the Fourth Proportional to 369,202.59, 553,803.83 and 88,719.84

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Solution

The fourth proportional to 369,202.59, 553,803.83 and 88,719.84 is: 133,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,202.59 : 553,803.83 = 88,719.84 : x
  2. Step 2: Convert to fraction form
    369,202.59/553,803.83 = 88,719.84/x
  3. Step 3: Cross multiply
    369,202.59x = 553,803.83 × 88,719.84
  4. Step 4: Simplify right side
    369,202.59x = 49,133,386,745.39
  5. Step 5: Solve for x
    x = 49,133,386,745.39/369,202.59
  6. Step 6: Final answer
    x = 133,079.75

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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.