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Finding the Fourth Proportional to 160,630.68, 221,666.54 and 92,647.78

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Solution

The fourth proportional to 160,630.68, 221,666.54 and 92,647.78 is: 127,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,630.68 : 221,666.54 = 92,647.78 : x
  2. Step 2: Convert to fraction form
    160,630.68/221,666.54 = 92,647.78/x
  3. Step 3: Cross multiply
    160,630.68x = 221,666.54 × 92,647.78
  4. Step 4: Simplify right side
    160,630.68x = 20,536,912,831.28
  5. Step 5: Solve for x
    x = 20,536,912,831.28/160,630.68
  6. Step 6: Final answer
    x = 127,851.75

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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.