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Finding the Fourth Proportional to 158,659.40, 237,999.90 and 50,580.20

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Solution

The fourth proportional to 158,659.40, 237,999.90 and 50,580.20 is: 75,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,659.40 : 237,999.90 = 50,580.20 : x
  2. Step 2: Convert to fraction form
    158,659.40/237,999.90 = 50,580.20/x
  3. Step 3: Cross multiply
    158,659.40x = 237,999.90 × 50,580.20
  4. Step 4: Simplify right side
    158,659.40x = 12,038,082,541.98
  5. Step 5: Solve for x
    x = 12,038,082,541.98/158,659.40
  6. Step 6: Final answer
    x = 75,873.74

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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.