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Finding the Fourth Proportional to 210,230.34, 315,298.17 and 60,437.22

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Solution

The fourth proportional to 210,230.34, 315,298.17 and 60,437.22 is: 90,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,230.34 : 315,298.17 = 60,437.22 : x
  2. Step 2: Convert to fraction form
    210,230.34/315,298.17 = 60,437.22/x
  3. Step 3: Cross multiply
    210,230.34x = 315,298.17 × 60,437.22
  4. Step 4: Simplify right side
    210,230.34x = 19,055,744,865.89
  5. Step 5: Solve for x
    x = 19,055,744,865.89/210,230.34
  6. Step 6: Final answer
    x = 90,642.22

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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.