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Finding the Fourth Proportional to 162,590.43, 243,887.72 and 57,335.59

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Solution

The fourth proportional to 162,590.43, 243,887.72 and 57,335.59 is: 86,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,590.43 : 243,887.72 = 57,335.59 : x
  2. Step 2: Convert to fraction form
    162,590.43/243,887.72 = 57,335.59/x
  3. Step 3: Cross multiply
    162,590.43x = 243,887.72 × 57,335.59
  4. Step 4: Simplify right side
    162,590.43x = 13,983,446,319.95
  5. Step 5: Solve for x
    x = 13,983,446,319.95/162,590.43
  6. Step 6: Final answer
    x = 86,004.12

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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.