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Finding the Fourth Proportional to 193,703.69, 267,332.78 and 117,264.94

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Solution

The fourth proportional to 193,703.69, 267,332.78 and 117,264.94 is: 161,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,703.69 : 267,332.78 = 117,264.94 : x
  2. Step 2: Convert to fraction form
    193,703.69/267,332.78 = 117,264.94/x
  3. Step 3: Cross multiply
    193,703.69x = 267,332.78 × 117,264.94
  4. Step 4: Simplify right side
    193,703.69x = 31,348,762,031.56
  5. Step 5: Solve for x
    x = 31,348,762,031.56/193,703.69
  6. Step 6: Final answer
    x = 161,838.74

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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.