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Finding the Fourth Proportional to 539,187.08, 808,751.44 and 165,211.16

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Solution

The fourth proportional to 539,187.08, 808,751.44 and 165,211.16 is: 247,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,187.08 : 808,751.44 = 165,211.16 : x
  2. Step 2: Convert to fraction form
    539,187.08/808,751.44 = 165,211.16/x
  3. Step 3: Cross multiply
    539,187.08x = 808,751.44 × 165,211.16
  4. Step 4: Simplify right side
    539,187.08x = 133,614,763,554.07
  5. Step 5: Solve for x
    x = 133,614,763,554.07/539,187.08
  6. Step 6: Final answer
    x = 247,807.80

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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.