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Finding the Fourth Proportional to 158,420.70, 237,622.41 and 53,228.70

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Solution

The fourth proportional to 158,420.70, 237,622.41 and 53,228.70 is: 79,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,420.70 : 237,622.41 = 53,228.70 : x
  2. Step 2: Convert to fraction form
    158,420.70/237,622.41 = 53,228.70/x
  3. Step 3: Cross multiply
    158,420.70x = 237,622.41 × 53,228.70
  4. Step 4: Simplify right side
    158,420.70x = 12,648,331,975.17
  5. Step 5: Solve for x
    x = 12,648,331,975.17/158,420.70
  6. Step 6: Final answer
    x = 79,840.15

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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.