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Finding the Fourth Proportional to 159,663.40, 239,495.06 and 54,482.36

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Solution

The fourth proportional to 159,663.40, 239,495.06 and 54,482.36 is: 81,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,663.40 : 239,495.06 = 54,482.36 : x
  2. Step 2: Convert to fraction form
    159,663.40/239,495.06 = 54,482.36/x
  3. Step 3: Cross multiply
    159,663.40x = 239,495.06 × 54,482.36
  4. Step 4: Simplify right side
    159,663.40x = 13,048,256,077.14
  5. Step 5: Solve for x
    x = 13,048,256,077.14/159,663.40
  6. Step 6: Final answer
    x = 81,723.53

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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.