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Finding the Fourth Proportional to 369,207.86, 553,811.74 and 88,725.11

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Solution

The fourth proportional to 369,207.86, 553,811.74 and 88,725.11 is: 133,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,207.86 : 553,811.74 = 88,725.11 : x
  2. Step 2: Convert to fraction form
    369,207.86/553,811.74 = 88,725.11/x
  3. Step 3: Cross multiply
    369,207.86x = 553,811.74 × 88,725.11
  4. Step 4: Simplify right side
    369,207.86x = 49,137,004,559.92
  5. Step 5: Solve for x
    x = 49,137,004,559.92/369,207.86
  6. Step 6: Final answer
    x = 133,087.65

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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.