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Finding the Fourth Proportional to 214,483.61, 296,013.63 and 123,839.42

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Solution

The fourth proportional to 214,483.61, 296,013.63 and 123,839.42 is: 170,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,483.61 : 296,013.63 = 123,839.42 : x
  2. Step 2: Convert to fraction form
    214,483.61/296,013.63 = 123,839.42/x
  3. Step 3: Cross multiply
    214,483.61x = 296,013.63 × 123,839.42
  4. Step 4: Simplify right side
    214,483.61x = 36,658,157,384.94
  5. Step 5: Solve for x
    x = 36,658,157,384.94/214,483.61
  6. Step 6: Final answer
    x = 170,913.56

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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.