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Finding the Fourth Proportional to 162,952.20, 244,136.70 and 139,624.20

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Solution

The fourth proportional to 162,952.20, 244,136.70 and 139,624.20 is: 209,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,952.20 : 244,136.70 = 139,624.20 : x
  2. Step 2: Convert to fraction form
    162,952.20/244,136.70 = 139,624.20/x
  3. Step 3: Cross multiply
    162,952.20x = 244,136.70 × 139,624.20
  4. Step 4: Simplify right side
    162,952.20x = 34,087,391,428.14
  5. Step 5: Solve for x
    x = 34,087,391,428.14/162,952.20
  6. Step 6: Final answer
    x = 209,186.45

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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.