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Finding the Fourth Proportional to 158,157.54, 218,250.90 and 94,530.42

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Solution

The fourth proportional to 158,157.54, 218,250.90 and 94,530.42 is: 130,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,157.54 : 218,250.90 = 94,530.42 : x
  2. Step 2: Convert to fraction form
    158,157.54/218,250.90 = 94,530.42/x
  3. Step 3: Cross multiply
    158,157.54x = 218,250.90 × 94,530.42
  4. Step 4: Simplify right side
    158,157.54x = 20,631,349,242.38
  5. Step 5: Solve for x
    x = 20,631,349,242.38/158,157.54
  6. Step 6: Final answer
    x = 130,448.09

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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.