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Finding the Fourth Proportional to 85,503.38, 117,992.58 and 46,739.48

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Solution

The fourth proportional to 85,503.38, 117,992.58 and 46,739.48 is: 64,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,503.38 : 117,992.58 = 46,739.48 : x
  2. Step 2: Convert to fraction form
    85,503.38/117,992.58 = 46,739.48/x
  3. Step 3: Cross multiply
    85,503.38x = 117,992.58 × 46,739.48
  4. Step 4: Simplify right side
    85,503.38x = 5,514,911,243.10
  5. Step 5: Solve for x
    x = 5,514,911,243.10/85,503.38
  6. Step 6: Final answer
    x = 64,499.34

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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.