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Finding the Fourth Proportional to 118,898.35, 164,096.48 and 73,590.86

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Solution

The fourth proportional to 118,898.35, 164,096.48 and 73,590.86 is: 101,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,898.35 : 164,096.48 = 73,590.86 : x
  2. Step 2: Convert to fraction form
    118,898.35/164,096.48 = 73,590.86/x
  3. Step 3: Cross multiply
    118,898.35x = 164,096.48 × 73,590.86
  4. Step 4: Simplify right side
    118,898.35x = 12,076,001,086.17
  5. Step 5: Solve for x
    x = 12,076,001,086.17/118,898.35
  6. Step 6: Final answer
    x = 101,565.76

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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.