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Finding the Fourth Proportional to 224,191.68, 309,381.51 and 122,215.51

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Solution

The fourth proportional to 224,191.68, 309,381.51 and 122,215.51 is: 168,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,191.68 : 309,381.51 = 122,215.51 : x
  2. Step 2: Convert to fraction form
    224,191.68/309,381.51 = 122,215.51/x
  3. Step 3: Cross multiply
    224,191.68x = 309,381.51 × 122,215.51
  4. Step 4: Simplify right side
    224,191.68x = 37,811,219,874.26
  5. Step 5: Solve for x
    x = 37,811,219,874.26/224,191.68
  6. Step 6: Final answer
    x = 168,655.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.