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Finding the Fourth Proportional to 157,667.86, 236,537.43 and 52,490.98

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Solution

The fourth proportional to 157,667.86, 236,537.43 and 52,490.98 is: 78,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,667.86 : 236,537.43 = 52,490.98 : x
  2. Step 2: Convert to fraction form
    157,667.86/236,537.43 = 52,490.98/x
  3. Step 3: Cross multiply
    157,667.86x = 236,537.43 × 52,490.98
  4. Step 4: Simplify right side
    157,667.86x = 12,416,081,507.38
  5. Step 5: Solve for x
    x = 12,416,081,507.38/157,667.86
  6. Step 6: Final answer
    x = 78,748.34

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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.