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Finding the Fourth Proportional to 92,176.95, 127,216.31 and 51,898.56

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Solution

The fourth proportional to 92,176.95, 127,216.31 and 51,898.56 is: 71,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,176.95 : 127,216.31 = 51,898.56 : x
  2. Step 2: Convert to fraction form
    92,176.95/127,216.31 = 51,898.56/x
  3. Step 3: Cross multiply
    92,176.95x = 127,216.31 × 51,898.56
  4. Step 4: Simplify right side
    92,176.95x = 6,602,343,091.42
  5. Step 5: Solve for x
    x = 6,602,343,091.42/92,176.95
  6. Step 6: Final answer
    x = 71,626.84

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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.