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Finding the Fourth Proportional to 153,899.28, 230,873.16 and 65,153.28

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Solution

The fourth proportional to 153,899.28, 230,873.16 and 65,153.28 is: 97,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,899.28 : 230,873.16 = 65,153.28 : x
  2. Step 2: Convert to fraction form
    153,899.28/230,873.16 = 65,153.28/x
  3. Step 3: Cross multiply
    153,899.28x = 230,873.16 × 65,153.28
  4. Step 4: Simplify right side
    153,899.28x = 15,042,143,637.96
  5. Step 5: Solve for x
    x = 15,042,143,637.96/153,899.28
  6. Step 6: Final answer
    x = 97,740.18

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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.