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Finding the Fourth Proportional to 92,703.94, 127,931.72 and 50,262.49

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Solution

The fourth proportional to 92,703.94, 127,931.72 and 50,262.49 is: 69,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.94 : 127,931.72 = 50,262.49 : x
  2. Step 2: Convert to fraction form
    92,703.94/127,931.72 = 50,262.49/x
  3. Step 3: Cross multiply
    92,703.94x = 127,931.72 × 50,262.49
  4. Step 4: Simplify right side
    92,703.94x = 6,430,166,797.18
  5. Step 5: Solve for x
    x = 6,430,166,797.18/92,703.94
  6. Step 6: Final answer
    x = 69,362.39

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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.