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Finding the Fourth Proportional to 92,412.99, 127,529.78 and 52,126.63

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Solution

The fourth proportional to 92,412.99, 127,529.78 and 52,126.63 is: 71,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,412.99 : 127,529.78 = 52,126.63 : x
  2. Step 2: Convert to fraction form
    92,412.99/127,529.78 = 52,126.63/x
  3. Step 3: Cross multiply
    92,412.99x = 127,529.78 × 52,126.63
  4. Step 4: Simplify right side
    92,412.99x = 6,647,697,076.58
  5. Step 5: Solve for x
    x = 6,647,697,076.58/92,412.99
  6. Step 6: Final answer
    x = 71,934.66

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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.