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Finding the Fourth Proportional to 92,622.74, 127,825.26 and 56,807.88

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Solution

The fourth proportional to 92,622.74, 127,825.26 and 56,807.88 is: 78,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,622.74 : 127,825.26 = 56,807.88 : x
  2. Step 2: Convert to fraction form
    92,622.74/127,825.26 = 56,807.88/x
  3. Step 3: Cross multiply
    92,622.74x = 127,825.26 × 56,807.88
  4. Step 4: Simplify right side
    92,622.74x = 7,261,482,031.05
  5. Step 5: Solve for x
    x = 7,261,482,031.05/92,622.74
  6. Step 6: Final answer
    x = 78,398.48

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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.