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Finding the Fourth Proportional to 235,060.49, 324,384.75 and 127,630.52

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Solution

The fourth proportional to 235,060.49, 324,384.75 and 127,630.52 is: 176,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,060.49 : 324,384.75 = 127,630.52 : x
  2. Step 2: Convert to fraction form
    235,060.49/324,384.75 = 127,630.52/x
  3. Step 3: Cross multiply
    235,060.49x = 324,384.75 × 127,630.52
  4. Step 4: Simplify right side
    235,060.49x = 41,401,394,322.57
  5. Step 5: Solve for x
    x = 41,401,394,322.57/235,060.49
  6. Step 6: Final answer
    x = 176,130.81

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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.