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Finding the Fourth Proportional to 160,560, 221,523.12 and 92,568.33

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Solution

The fourth proportional to 160,560, 221,523.12 and 92,568.33 is: 127,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,560 : 221,523.12 = 92,568.33 : x
  2. Step 2: Convert to fraction form
    160,560/221,523.12 = 92,568.33/x
  3. Step 3: Cross multiply
    160,560x = 221,523.12 × 92,568.33
  4. Step 4: Simplify right side
    160,560x = 20,506,025,274.79
  5. Step 5: Solve for x
    x = 20,506,025,274.79/160,560
  6. Step 6: Final answer
    x = 127,715.65

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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.