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Finding the Fourth Proportional to 122,122.62, 183,210.22 and 37,881.08

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Solution

The fourth proportional to 122,122.62, 183,210.22 and 37,881.08 is: 56,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,122.62 : 183,210.22 = 37,881.08 : x
  2. Step 2: Convert to fraction form
    122,122.62/183,210.22 = 37,881.08/x
  3. Step 3: Cross multiply
    122,122.62x = 183,210.22 × 37,881.08
  4. Step 4: Simplify right side
    122,122.62x = 6,940,201,000.64
  5. Step 5: Solve for x
    x = 6,940,201,000.64/122,122.62
  6. Step 6: Final answer
    x = 56,829.77

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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.