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Finding the Fourth Proportional to 233,143.92, 349,630.20 and 83,343.60

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Solution

The fourth proportional to 233,143.92, 349,630.20 and 83,343.60 is: 124,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,143.92 : 349,630.20 = 83,343.60 : x
  2. Step 2: Convert to fraction form
    233,143.92/349,630.20 = 83,343.60/x
  3. Step 3: Cross multiply
    233,143.92x = 349,630.20 × 83,343.60
  4. Step 4: Simplify right side
    233,143.92x = 29,139,439,536.72
  5. Step 5: Solve for x
    x = 29,139,439,536.72/233,143.92
  6. Step 6: Final answer
    x = 124,984.77

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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.