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Finding the Fourth Proportional to 160,715.84, 241,182.68 and 65,963.12

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Solution

The fourth proportional to 160,715.84, 241,182.68 and 65,963.12 is: 98,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,715.84 : 241,182.68 = 65,963.12 : x
  2. Step 2: Convert to fraction form
    160,715.84/241,182.68 = 65,963.12/x
  3. Step 3: Cross multiply
    160,715.84x = 241,182.68 × 65,963.12
  4. Step 4: Simplify right side
    160,715.84x = 15,909,162,062.76
  5. Step 5: Solve for x
    x = 15,909,162,062.76/160,715.84
  6. Step 6: Final answer
    x = 98,989.38

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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.