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Finding the Fourth Proportional to 92,478.98, 127,620.98 and 50,037.51

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Solution

The fourth proportional to 92,478.98, 127,620.98 and 50,037.51 is: 69,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478.98 : 127,620.98 = 50,037.51 : x
  2. Step 2: Convert to fraction form
    92,478.98/127,620.98 = 50,037.51/x
  3. Step 3: Cross multiply
    92,478.98x = 127,620.98 × 50,037.51
  4. Step 4: Simplify right side
    92,478.98x = 6,385,835,812.77
  5. Step 5: Solve for x
    x = 6,385,835,812.77/92,478.98
  6. Step 6: Final answer
    x = 69,051.76

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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.