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Finding the Fourth Proportional to 122,299.58, 183,467.59 and 43,407.20

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Solution

The fourth proportional to 122,299.58, 183,467.59 and 43,407.20 is: 65,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,299.58 : 183,467.59 = 43,407.20 : x
  2. Step 2: Convert to fraction form
    122,299.58/183,467.59 = 43,407.20/x
  3. Step 3: Cross multiply
    122,299.58x = 183,467.59 × 43,407.20
  4. Step 4: Simplify right side
    122,299.58x = 7,963,814,372.65
  5. Step 5: Solve for x
    x = 7,963,814,372.65/122,299.58
  6. Step 6: Final answer
    x = 65,117.27

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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.