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Finding the Fourth Proportional to 92,507.52, 127,663.74 and 52,218.84

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Solution

The fourth proportional to 92,507.52, 127,663.74 and 52,218.84 is: 72,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,507.52 : 127,663.74 = 52,218.84 : x
  2. Step 2: Convert to fraction form
    92,507.52/127,663.74 = 52,218.84/x
  3. Step 3: Cross multiply
    92,507.52x = 127,663.74 × 52,218.84
  4. Step 4: Simplify right side
    92,507.52x = 6,666,452,412.86
  5. Step 5: Solve for x
    x = 6,666,452,412.86/92,507.52
  6. Step 6: Final answer
    x = 72,063.90

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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.