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Finding the Fourth Proportional to 158,280.87, 237,420.40 and 39,951.72

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Solution

The fourth proportional to 158,280.87, 237,420.40 and 39,951.72 is: 59,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,280.87 : 237,420.40 = 39,951.72 : x
  2. Step 2: Convert to fraction form
    158,280.87/237,420.40 = 39,951.72/x
  3. Step 3: Cross multiply
    158,280.87x = 237,420.40 × 39,951.72
  4. Step 4: Simplify right side
    158,280.87x = 9,485,353,343.09
  5. Step 5: Solve for x
    x = 9,485,353,343.09/158,280.87
  6. Step 6: Final answer
    x = 59,927.35

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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.