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Finding the Fourth Proportional to 565,539.59, 848,301.92 and 139,079.10

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Solution

The fourth proportional to 565,539.59, 848,301.92 and 139,079.10 is: 208,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,539.59 : 848,301.92 = 139,079.10 : x
  2. Step 2: Convert to fraction form
    565,539.59/848,301.92 = 139,079.10/x
  3. Step 3: Cross multiply
    565,539.59x = 848,301.92 × 139,079.10
  4. Step 4: Simplify right side
    565,539.59x = 117,981,064,206.89
  5. Step 5: Solve for x
    x = 117,981,064,206.89/565,539.59
  6. Step 6: Final answer
    x = 208,616.81

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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.