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Finding the Fourth Proportional to 85,269.48, 127,849.54 and 35,384.01

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Solution

The fourth proportional to 85,269.48, 127,849.54 and 35,384.01 is: 53,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.48 : 127,849.54 = 35,384.01 : x
  2. Step 2: Convert to fraction form
    85,269.48/127,849.54 = 35,384.01/x
  3. Step 3: Cross multiply
    85,269.48x = 127,849.54 × 35,384.01
  4. Step 4: Simplify right side
    85,269.48x = 4,523,828,900.30
  5. Step 5: Solve for x
    x = 4,523,828,900.30/85,269.48
  6. Step 6: Final answer
    x = 53,053.32

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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.