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Finding the Fourth Proportional to 94,109.34, 129,813.84 and 55,843.68

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Solution

The fourth proportional to 94,109.34, 129,813.84 and 55,843.68 is: 77,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,109.34 : 129,813.84 = 55,843.68 : x
  2. Step 2: Convert to fraction form
    94,109.34/129,813.84 = 55,843.68/x
  3. Step 3: Cross multiply
    94,109.34x = 129,813.84 × 55,843.68
  4. Step 4: Simplify right side
    94,109.34x = 7,249,282,540.53
  5. Step 5: Solve for x
    x = 7,249,282,540.53/94,109.34
  6. Step 6: Final answer
    x = 77,030.43

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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.