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Finding the Fourth Proportional to 343,167.60, 514,832.39 and 118,529.90

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Solution

The fourth proportional to 343,167.60, 514,832.39 and 118,529.90 is: 177,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,167.60 : 514,832.39 = 118,529.90 : x
  2. Step 2: Convert to fraction form
    343,167.60/514,832.39 = 118,529.90/x
  3. Step 3: Cross multiply
    343,167.60x = 514,832.39 × 118,529.90
  4. Step 4: Simplify right side
    343,167.60x = 61,023,030,911.76
  5. Step 5: Solve for x
    x = 61,023,030,911.76/343,167.60
  6. Step 6: Final answer
    x = 177,822.82

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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.