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Finding the Fourth Proportional to 127,503, 191,254.41 and 60,740.82

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Solution

The fourth proportional to 127,503, 191,254.41 and 60,740.82 is: 91,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,503 : 191,254.41 = 60,740.82 : x
  2. Step 2: Convert to fraction form
    127,503/191,254.41 = 60,740.82/x
  3. Step 3: Cross multiply
    127,503x = 191,254.41 × 60,740.82
  4. Step 4: Simplify right side
    127,503x = 11,616,949,692.02
  5. Step 5: Solve for x
    x = 11,616,949,692.02/127,503
  6. Step 6: Final answer
    x = 91,111.19

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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.