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Finding the Fourth Proportional to 104,038.96, 156,058.32 and 33,918.16

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Solution

The fourth proportional to 104,038.96, 156,058.32 and 33,918.16 is: 50,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.96 : 156,058.32 = 33,918.16 : x
  2. Step 2: Convert to fraction form
    104,038.96/156,058.32 = 33,918.16/x
  3. Step 3: Cross multiply
    104,038.96x = 156,058.32 × 33,918.16
  4. Step 4: Simplify right side
    104,038.96x = 5,293,211,067.09
  5. Step 5: Solve for x
    x = 5,293,211,067.09/104,038.96
  6. Step 6: Final answer
    x = 50,877.20

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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.