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Finding the Fourth Proportional to 92,189.42, 127,223.79 and 51,904.65

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Solution

The fourth proportional to 92,189.42, 127,223.79 and 51,904.65 is: 71,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,189.42 : 127,223.79 = 51,904.65 : x
  2. Step 2: Convert to fraction form
    92,189.42/127,223.79 = 51,904.65/x
  3. Step 3: Cross multiply
    92,189.42x = 127,223.79 × 51,904.65
  4. Step 4: Simplify right side
    92,189.42x = 6,603,506,004.42
  5. Step 5: Solve for x
    x = 6,603,506,004.42/92,189.42
  6. Step 6: Final answer
    x = 71,629.76

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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.