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Finding the Fourth Proportional to 153,687.98, 230,476.50 and 64,948.34

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Solution

The fourth proportional to 153,687.98, 230,476.50 and 64,948.34 is: 97,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,687.98 : 230,476.50 = 64,948.34 : x
  2. Step 2: Convert to fraction form
    153,687.98/230,476.50 = 64,948.34/x
  3. Step 3: Cross multiply
    153,687.98x = 230,476.50 × 64,948.34
  4. Step 4: Simplify right side
    153,687.98x = 14,969,066,084.01
  5. Step 5: Solve for x
    x = 14,969,066,084.01/153,687.98
  6. Step 6: Final answer
    x = 97,399.07

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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.