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Finding the Fourth Proportional to 92,846.04, 128,158.02 and 54,603.92

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Solution

The fourth proportional to 92,846.04, 128,158.02 and 54,603.92 is: 75,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,846.04 : 128,158.02 = 54,603.92 : x
  2. Step 2: Convert to fraction form
    92,846.04/128,158.02 = 54,603.92/x
  3. Step 3: Cross multiply
    92,846.04x = 128,158.02 × 54,603.92
  4. Step 4: Simplify right side
    92,846.04x = 6,997,929,630.65
  5. Step 5: Solve for x
    x = 6,997,929,630.65/92,846.04
  6. Step 6: Final answer
    x = 75,371.33

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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.