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Finding the Fourth Proportional to 114,650.97, 158,209.67 and 64,340.25

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Solution

The fourth proportional to 114,650.97, 158,209.67 and 64,340.25 is: 88,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,650.97 : 158,209.67 = 64,340.25 : x
  2. Step 2: Convert to fraction form
    114,650.97/158,209.67 = 64,340.25/x
  3. Step 3: Cross multiply
    114,650.97x = 158,209.67 × 64,340.25
  4. Step 4: Simplify right side
    114,650.97x = 10,179,249,398.52
  5. Step 5: Solve for x
    x = 10,179,249,398.52/114,650.97
  6. Step 6: Final answer
    x = 88,784.68

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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.