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Finding the Fourth Proportional to 114,461.13, 157,965.48 and 63,478.92

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Solution

The fourth proportional to 114,461.13, 157,965.48 and 63,478.92 is: 87,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,461.13 : 157,965.48 = 63,478.92 : x
  2. Step 2: Convert to fraction form
    114,461.13/157,965.48 = 63,478.92/x
  3. Step 3: Cross multiply
    114,461.13x = 157,965.48 × 63,478.92
  4. Step 4: Simplify right side
    114,461.13x = 10,027,478,067.68
  5. Step 5: Solve for x
    x = 10,027,478,067.68/114,461.13
  6. Step 6: Final answer
    x = 87,605.97

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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.