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Finding the Fourth Proportional to 92,197.98, 127,235.43 and 51,913.08

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Solution

The fourth proportional to 92,197.98, 127,235.43 and 51,913.08 is: 71,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,197.98 : 127,235.43 = 51,913.08 : x
  2. Step 2: Convert to fraction form
    92,197.98/127,235.43 = 51,913.08/x
  3. Step 3: Cross multiply
    92,197.98x = 127,235.43 × 51,913.08
  4. Step 4: Simplify right side
    92,197.98x = 6,605,183,056.42
  5. Step 5: Solve for x
    x = 6,605,183,056.42/92,197.98
  6. Step 6: Final answer
    x = 71,641.30

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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.