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Finding the Fourth Proportional to 210,224.96, 315,390.84 and 60,462.08

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Solution

The fourth proportional to 210,224.96, 315,390.84 and 60,462.08 is: 90,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,224.96 : 315,390.84 = 60,462.08 : x
  2. Step 2: Convert to fraction form
    210,224.96/315,390.84 = 60,462.08/x
  3. Step 3: Cross multiply
    210,224.96x = 315,390.84 × 60,462.08
  4. Step 4: Simplify right side
    210,224.96x = 19,069,186,199.35
  5. Step 5: Solve for x
    x = 19,069,186,199.35/210,224.96
  6. Step 6: Final answer
    x = 90,708.48

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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.