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Finding the Fourth Proportional to 118,558.92, 163,609.01 and 64,843.77

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Solution

The fourth proportional to 118,558.92, 163,609.01 and 64,843.77 is: 89,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,558.92 : 163,609.01 = 64,843.77 : x
  2. Step 2: Convert to fraction form
    118,558.92/163,609.01 = 64,843.77/x
  3. Step 3: Cross multiply
    118,558.92x = 163,609.01 × 64,843.77
  4. Step 4: Simplify right side
    118,558.92x = 10,609,024,690.15
  5. Step 5: Solve for x
    x = 10,609,024,690.15/118,558.92
  6. Step 6: Final answer
    x = 89,483.14

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1.5x scale

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.