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Finding the Fourth Proportional to 159,954.48, 240,005.90 and 69,985.33

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Solution

The fourth proportional to 159,954.48, 240,005.90 and 69,985.33 is: 105,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,954.48 : 240,005.90 = 69,985.33 : x
  2. Step 2: Convert to fraction form
    159,954.48/240,005.90 = 69,985.33/x
  3. Step 3: Cross multiply
    159,954.48x = 240,005.90 × 69,985.33
  4. Step 4: Simplify right side
    159,954.48x = 16,796,893,038.43
  5. Step 5: Solve for x
    x = 16,796,893,038.43/159,954.48
  6. Step 6: Final answer
    x = 105,010.46

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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.