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Finding the Fourth Proportional to 246,658, 340,390.50 and 133,483.18

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Solution

The fourth proportional to 246,658, 340,390.50 and 133,483.18 is: 184,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,658 : 340,390.50 = 133,483.18 : x
  2. Step 2: Convert to fraction form
    246,658/340,390.50 = 133,483.18/x
  3. Step 3: Cross multiply
    246,658x = 340,390.50 × 133,483.18
  4. Step 4: Simplify right side
    246,658x = 45,436,406,381.79
  5. Step 5: Solve for x
    x = 45,436,406,381.79/246,658
  6. Step 6: Final answer
    x = 184,208.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.