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Finding the Fourth Proportional to 159,463.68, 239,189.53 and 39,521.02

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Solution

The fourth proportional to 159,463.68, 239,189.53 and 39,521.02 is: 59,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,463.68 : 239,189.53 = 39,521.02 : x
  2. Step 2: Convert to fraction form
    159,463.68/239,189.53 = 39,521.02/x
  3. Step 3: Cross multiply
    159,463.68x = 239,189.53 × 39,521.02
  4. Step 4: Simplify right side
    159,463.68x = 9,453,014,547.31
  5. Step 5: Solve for x
    x = 9,453,014,547.31/159,463.68
  6. Step 6: Final answer
    x = 59,280.05

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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.