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Finding the Fourth Proportional to 95,548.56, 143,340.08 and 39,358

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Solution

The fourth proportional to 95,548.56, 143,340.08 and 39,358 is: 59,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,548.56 : 143,340.08 = 39,358 : x
  2. Step 2: Convert to fraction form
    95,548.56/143,340.08 = 39,358/x
  3. Step 3: Cross multiply
    95,548.56x = 143,340.08 × 39,358
  4. Step 4: Simplify right side
    95,548.56x = 5,641,578,868.64
  5. Step 5: Solve for x
    x = 5,641,578,868.64/95,548.56
  6. Step 6: Final answer
    x = 59,044.10

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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.