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Finding the Fourth Proportional to 369,195.46, 553,785.24 and 102,948.88

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Solution

The fourth proportional to 369,195.46, 553,785.24 and 102,948.88 is: 154,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,195.46 : 553,785.24 = 102,948.88 : x
  2. Step 2: Convert to fraction form
    369,195.46/553,785.24 = 102,948.88/x
  3. Step 3: Cross multiply
    369,195.46x = 553,785.24 × 102,948.88
  4. Step 4: Simplify right side
    369,195.46x = 57,011,570,218.53
  5. Step 5: Solve for x
    x = 57,011,570,218.53/369,195.46
  6. Step 6: Final answer
    x = 154,421.10

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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.