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Finding the Fourth Proportional to 147,230.32, 220,728.48 and 64,066

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Solution

The fourth proportional to 147,230.32, 220,728.48 and 64,066 is: 96,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.32 : 220,728.48 = 64,066 : x
  2. Step 2: Convert to fraction form
    147,230.32/220,728.48 = 64,066/x
  3. Step 3: Cross multiply
    147,230.32x = 220,728.48 × 64,066
  4. Step 4: Simplify right side
    147,230.32x = 14,141,190,799.68
  5. Step 5: Solve for x
    x = 14,141,190,799.68/147,230.32
  6. Step 6: Final answer
    x = 96,048.09

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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.