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Finding the Fourth Proportional to 210,224.57, 315,390.11 and 60,461.64

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Solution

The fourth proportional to 210,224.57, 315,390.11 and 60,461.64 is: 90,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,224.57 : 315,390.11 = 60,461.64 : x
  2. Step 2: Convert to fraction form
    210,224.57/315,390.11 = 60,461.64/x
  3. Step 3: Cross multiply
    210,224.57x = 315,390.11 × 60,461.64
  4. Step 4: Simplify right side
    210,224.57x = 19,069,002,988.07
  5. Step 5: Solve for x
    x = 19,069,002,988.07/210,224.57
  6. Step 6: Final answer
    x = 90,707.78

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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.