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Finding the Fourth Proportional to 122,649.48, 183,970.56 and 33,908.31

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Solution

The fourth proportional to 122,649.48, 183,970.56 and 33,908.31 is: 50,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,649.48 : 183,970.56 = 33,908.31 : x
  2. Step 2: Convert to fraction form
    122,649.48/183,970.56 = 33,908.31/x
  3. Step 3: Cross multiply
    122,649.48x = 183,970.56 × 33,908.31
  4. Step 4: Simplify right side
    122,649.48x = 6,238,130,779.35
  5. Step 5: Solve for x
    x = 6,238,130,779.35/122,649.48
  6. Step 6: Final answer
    x = 50,861.45

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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.