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Finding the Fourth Proportional to 195,798.03, 270,206.79 and 110,915.10

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Solution

The fourth proportional to 195,798.03, 270,206.79 and 110,915.10 is: 153,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,798.03 : 270,206.79 = 110,915.10 : x
  2. Step 2: Convert to fraction form
    195,798.03/270,206.79 = 110,915.10/x
  3. Step 3: Cross multiply
    195,798.03x = 270,206.79 × 110,915.10
  4. Step 4: Simplify right side
    195,798.03x = 29,970,013,133.53
  5. Step 5: Solve for x
    x = 29,970,013,133.53/195,798.03
  6. Step 6: Final answer
    x = 153,065.96

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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.