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Finding the Fourth Proportional to 92,753.70, 127,999.44 and 50,312.28

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Solution

The fourth proportional to 92,753.70, 127,999.44 and 50,312.28 is: 69,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,753.70 : 127,999.44 = 50,312.28 : x
  2. Step 2: Convert to fraction form
    92,753.70/127,999.44 = 50,312.28/x
  3. Step 3: Cross multiply
    92,753.70x = 127,999.44 × 50,312.28
  4. Step 4: Simplify right side
    92,753.70x = 6,439,943,665.12
  5. Step 5: Solve for x
    x = 6,439,943,665.12/92,753.70
  6. Step 6: Final answer
    x = 69,430.59

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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.