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Finding the Fourth Proportional to 144,794.20, 217,061.70 and 56,018.20

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Solution

The fourth proportional to 144,794.20, 217,061.70 and 56,018.20 is: 83,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,794.20 : 217,061.70 = 56,018.20 : x
  2. Step 2: Convert to fraction form
    144,794.20/217,061.70 = 56,018.20/x
  3. Step 3: Cross multiply
    144,794.20x = 217,061.70 × 56,018.20
  4. Step 4: Simplify right side
    144,794.20x = 12,159,405,722.94
  5. Step 5: Solve for x
    x = 12,159,405,722.94/144,794.20
  6. Step 6: Final answer
    x = 83,977.16

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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.