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Finding the Fourth Proportional to 114,855.30, 158,503.75 and 69,541.58

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Solution

The fourth proportional to 114,855.30, 158,503.75 and 69,541.58 is: 95,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,855.30 : 158,503.75 = 69,541.58 : x
  2. Step 2: Convert to fraction form
    114,855.30/158,503.75 = 69,541.58/x
  3. Step 3: Cross multiply
    114,855.30x = 158,503.75 × 69,541.58
  4. Step 4: Simplify right side
    114,855.30x = 11,022,601,210.93
  5. Step 5: Solve for x
    x = 11,022,601,210.93/114,855.30
  6. Step 6: Final answer
    x = 95,969.46

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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.