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Finding the Fourth Proportional to 92,425, 127,548.34 and 52,130.86

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Solution

The fourth proportional to 92,425, 127,548.34 and 52,130.86 is: 71,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,425 : 127,548.34 = 52,130.86 : x
  2. Step 2: Convert to fraction form
    92,425/127,548.34 = 52,130.86/x
  3. Step 3: Cross multiply
    92,425x = 127,548.34 × 52,130.86
  4. Step 4: Simplify right side
    92,425x = 6,649,204,655.77
  5. Step 5: Solve for x
    x = 6,649,204,655.77/92,425
  6. Step 6: Final answer
    x = 71,941.62

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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.