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Finding the Fourth Proportional to 158,084.04, 218,128.50 and 94,418.04

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Solution

The fourth proportional to 158,084.04, 218,128.50 and 94,418.04 is: 130,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,084.04 : 218,128.50 = 94,418.04 : x
  2. Step 2: Convert to fraction form
    158,084.04/218,128.50 = 94,418.04/x
  3. Step 3: Cross multiply
    158,084.04x = 218,128.50 × 94,418.04
  4. Step 4: Simplify right side
    158,084.04x = 20,595,265,438.14
  5. Step 5: Solve for x
    x = 20,595,265,438.14/158,084.04
  6. Step 6: Final answer
    x = 130,280.49

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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.