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Finding the Fourth Proportional to 358,542, 537,813.04 and 109,224

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Solution

The fourth proportional to 358,542, 537,813.04 and 109,224 is: 163,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,542 : 537,813.04 = 109,224 : x
  2. Step 2: Convert to fraction form
    358,542/537,813.04 = 109,224/x
  3. Step 3: Cross multiply
    358,542x = 537,813.04 × 109,224
  4. Step 4: Simplify right side
    358,542x = 58,742,091,480.96
  5. Step 5: Solve for x
    x = 58,742,091,480.96/358,542
  6. Step 6: Final answer
    x = 163,836.01

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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.