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Finding the Fourth Proportional to 114,437, 157,932.36 and 63,454.80

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Solution

The fourth proportional to 114,437, 157,932.36 and 63,454.80 is: 87,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,437 : 157,932.36 = 63,454.80 : x
  2. Step 2: Convert to fraction form
    114,437/157,932.36 = 63,454.80/x
  3. Step 3: Cross multiply
    114,437x = 157,932.36 × 63,454.80
  4. Step 4: Simplify right side
    114,437x = 10,021,566,317.33
  5. Step 5: Solve for x
    x = 10,021,566,317.33/114,437
  6. Step 6: Final answer
    x = 87,572.78

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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.