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Finding the Fourth Proportional to 242,000.40, 362,482.20 and 158,019.60

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Solution

The fourth proportional to 242,000.40, 362,482.20 and 158,019.60 is: 236,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,000.40 : 362,482.20 = 158,019.60 : x
  2. Step 2: Convert to fraction form
    242,000.40/362,482.20 = 158,019.60/x
  3. Step 3: Cross multiply
    242,000.40x = 362,482.20 × 158,019.60
  4. Step 4: Simplify right side
    242,000.40x = 57,279,292,251.12
  5. Step 5: Solve for x
    x = 57,279,292,251.12/242,000.40
  6. Step 6: Final answer
    x = 236,690.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.