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Finding the Fourth Proportional to 85,059.57, 117,350.58 and 84,928.35

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Solution

The fourth proportional to 85,059.57, 117,350.58 and 84,928.35 is: 117,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,059.57 : 117,350.58 = 84,928.35 : x
  2. Step 2: Convert to fraction form
    85,059.57/117,350.58 = 84,928.35/x
  3. Step 3: Cross multiply
    85,059.57x = 117,350.58 × 84,928.35
  4. Step 4: Simplify right side
    85,059.57x = 9,966,390,544.19
  5. Step 5: Solve for x
    x = 9,966,390,544.19/85,059.57
  6. Step 6: Final answer
    x = 117,169.55

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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.