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Finding the Fourth Proportional to 133,017.88, 183,557.44 and 75,649.44

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Solution

The fourth proportional to 133,017.88, 183,557.44 and 75,649.44 is: 104,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017.88 : 183,557.44 = 75,649.44 : x
  2. Step 2: Convert to fraction form
    133,017.88/183,557.44 = 75,649.44/x
  3. Step 3: Cross multiply
    133,017.88x = 183,557.44 × 75,649.44
  4. Step 4: Simplify right side
    133,017.88x = 13,886,017,543.83
  5. Step 5: Solve for x
    x = 13,886,017,543.83/133,017.88
  6. Step 6: Final answer
    x = 104,392.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.