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Finding the Fourth Proportional to 233,366.55, 349,166.52 and 138,647.58

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Solution

The fourth proportional to 233,366.55, 349,166.52 and 138,647.58 is: 207,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,366.55 : 349,166.52 = 138,647.58 : x
  2. Step 2: Convert to fraction form
    233,366.55/349,166.52 = 138,647.58/x
  3. Step 3: Cross multiply
    233,366.55x = 349,166.52 × 138,647.58
  4. Step 4: Simplify right side
    233,366.55x = 48,411,093,015.02
  5. Step 5: Solve for x
    x = 48,411,093,015.02/233,366.55
  6. Step 6: Final answer
    x = 207,446.58

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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.