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Finding the Fourth Proportional to 118,182.08, 163,094.34 and 64,468

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Solution

The fourth proportional to 118,182.08, 163,094.34 and 64,468 is: 88,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,182.08 : 163,094.34 = 64,468 : x
  2. Step 2: Convert to fraction form
    118,182.08/163,094.34 = 64,468/x
  3. Step 3: Cross multiply
    118,182.08x = 163,094.34 × 64,468
  4. Step 4: Simplify right side
    118,182.08x = 10,514,365,911.12
  5. Step 5: Solve for x
    x = 10,514,365,911.12/118,182.08
  6. Step 6: Final answer
    x = 88,967.51

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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.