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Finding the Fourth Proportional to 64,168.40, 96,187.80 and 29,133.20

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Solution

The fourth proportional to 64,168.40, 96,187.80 and 29,133.20 is: 43,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.40 : 96,187.80 = 29,133.20 : x
  2. Step 2: Convert to fraction form
    64,168.40/96,187.80 = 29,133.20/x
  3. Step 3: Cross multiply
    64,168.40x = 96,187.80 × 29,133.20
  4. Step 4: Simplify right side
    64,168.40x = 2,802,258,414.96
  5. Step 5: Solve for x
    x = 2,802,258,414.96/64,168.40
  6. Step 6: Final answer
    x = 43,670.38

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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.