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Finding the Fourth Proportional to 114,167.40, 157,550.79 and 63,866.40

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Solution

The fourth proportional to 114,167.40, 157,550.79 and 63,866.40 is: 88,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,167.40 : 157,550.79 = 63,866.40 : x
  2. Step 2: Convert to fraction form
    114,167.40/157,550.79 = 63,866.40/x
  3. Step 3: Cross multiply
    114,167.40x = 157,550.79 × 63,866.40
  4. Step 4: Simplify right side
    114,167.40x = 10,062,201,774.46
  5. Step 5: Solve for x
    x = 10,062,201,774.46/114,167.40
  6. Step 6: Final answer
    x = 88,135.51

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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.