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Finding the Fourth Proportional to 114,692.16, 158,180.40 and 69,368.16

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Solution

The fourth proportional to 114,692.16, 158,180.40 and 69,368.16 is: 95,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,692.16 : 158,180.40 = 69,368.16 : x
  2. Step 2: Convert to fraction form
    114,692.16/158,180.40 = 69,368.16/x
  3. Step 3: Cross multiply
    114,692.16x = 158,180.40 × 69,368.16
  4. Step 4: Simplify right side
    114,692.16x = 10,972,683,296.06
  5. Step 5: Solve for x
    x = 10,972,683,296.06/114,692.16
  6. Step 6: Final answer
    x = 95,670.74

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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.