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Finding the Fourth Proportional to 358,158.70, 537,241.68 and 108,840.70

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Solution

The fourth proportional to 358,158.70, 537,241.68 and 108,840.70 is: 163,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,158.70 : 537,241.68 = 108,840.70 : x
  2. Step 2: Convert to fraction form
    358,158.70/537,241.68 = 108,840.70/x
  3. Step 3: Cross multiply
    358,158.70x = 537,241.68 × 108,840.70
  4. Step 4: Simplify right side
    358,158.70x = 58,473,757,834.17
  5. Step 5: Solve for x
    x = 58,473,757,834.17/358,158.70
  6. Step 6: Final answer
    x = 163,262.15

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1.5x scale

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.