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Finding the Fourth Proportional to 565,346.07, 848,005.79 and 138,881.22

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Solution

The fourth proportional to 565,346.07, 848,005.79 and 138,881.22 is: 208,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,346.07 : 848,005.79 = 138,881.22 : x
  2. Step 2: Convert to fraction form
    565,346.07/848,005.79 = 138,881.22/x
  3. Step 3: Cross multiply
    565,346.07x = 848,005.79 × 138,881.22
  4. Step 4: Simplify right side
    565,346.07x = 117,772,079,752.47
  5. Step 5: Solve for x
    x = 117,772,079,752.47/565,346.07
  6. Step 6: Final answer
    x = 208,318.56

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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.