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Finding the Fourth Proportional to 195,798.40, 270,207.29 and 110,915.46

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Solution

The fourth proportional to 195,798.40, 270,207.29 and 110,915.46 is: 153,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,798.40 : 270,207.29 = 110,915.46 : x
  2. Step 2: Convert to fraction form
    195,798.40/270,207.29 = 110,915.46/x
  3. Step 3: Cross multiply
    195,798.40x = 270,207.29 × 110,915.46
  4. Step 4: Simplify right side
    195,798.40x = 29,970,166,142.99
  5. Step 5: Solve for x
    x = 29,970,166,142.99/195,798.40
  6. Step 6: Final answer
    x = 153,066.45

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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.