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Finding the Fourth Proportional to 369,303.11, 553,954.48 and 88,820.27

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Solution

The fourth proportional to 369,303.11, 553,954.48 and 88,820.27 is: 133,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,303.11 : 553,954.48 = 88,820.27 : x
  2. Step 2: Convert to fraction form
    369,303.11/553,954.48 = 88,820.27/x
  3. Step 3: Cross multiply
    369,303.11x = 553,954.48 × 88,820.27
  4. Step 4: Simplify right side
    369,303.11x = 49,202,386,481.31
  5. Step 5: Solve for x
    x = 49,202,386,481.31/369,303.11
  6. Step 6: Final answer
    x = 133,230.36

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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.