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Finding the Fourth Proportional to 161,951.40, 242,927.10 and 140,300.10

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Solution

The fourth proportional to 161,951.40, 242,927.10 and 140,300.10 is: 210,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,951.40 : 242,927.10 = 140,300.10 : x
  2. Step 2: Convert to fraction form
    161,951.40/242,927.10 = 140,300.10/x
  3. Step 3: Cross multiply
    161,951.40x = 242,927.10 × 140,300.10
  4. Step 4: Simplify right side
    161,951.40x = 34,082,696,422.71
  5. Step 5: Solve for x
    x = 34,082,696,422.71/161,951.40
  6. Step 6: Final answer
    x = 210,450.15

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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.