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Finding the Fourth Proportional to 210,528.68, 315,227.13 and 160,369.84

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Solution

The fourth proportional to 210,528.68, 315,227.13 and 160,369.84 is: 240,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,528.68 : 315,227.13 = 160,369.84 : x
  2. Step 2: Convert to fraction form
    210,528.68/315,227.13 = 160,369.84/x
  3. Step 3: Cross multiply
    210,528.68x = 315,227.13 × 160,369.84
  4. Step 4: Simplify right side
    210,528.68x = 50,552,924,401.76
  5. Step 5: Solve for x
    x = 50,552,924,401.76/210,528.68
  6. Step 6: Final answer
    x = 240,123.69

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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.