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Finding the Fourth Proportional to 92,958, 140,267.80 and 92,958

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Solution

The fourth proportional to 92,958, 140,267.80 and 92,958 is: 140,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,958 : 140,267.80 = 92,958 : x
  2. Step 2: Convert to fraction form
    92,958/140,267.80 = 92,958/x
  3. Step 3: Cross multiply
    92,958x = 140,267.80 × 92,958
  4. Step 4: Simplify right side
    92,958x = 13,039,014,152.40
  5. Step 5: Solve for x
    x = 13,039,014,152.40/92,958
  6. Step 6: Final answer
    x = 140,267.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.