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Finding the Fourth Proportional to 92,950.81, 128,271.77 and 52,672.27

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Solution

The fourth proportional to 92,950.81, 128,271.77 and 52,672.27 is: 72,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,950.81 : 128,271.77 = 52,672.27 : x
  2. Step 2: Convert to fraction form
    92,950.81/128,271.77 = 52,672.27/x
  3. Step 3: Cross multiply
    92,950.81x = 128,271.77 × 52,672.27
  4. Step 4: Simplify right side
    92,950.81x = 6,756,365,302.82
  5. Step 5: Solve for x
    x = 6,756,365,302.82/92,950.81
  6. Step 6: Final answer
    x = 72,687.54

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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.