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Finding the Fourth Proportional to 152,466.38, 210,403.60 and 92,850.38

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Solution

The fourth proportional to 152,466.38, 210,403.60 and 92,850.38 is: 128,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,466.38 : 210,403.60 = 92,850.38 : x
  2. Step 2: Convert to fraction form
    152,466.38/210,403.60 = 92,850.38/x
  3. Step 3: Cross multiply
    152,466.38x = 210,403.60 × 92,850.38
  4. Step 4: Simplify right side
    152,466.38x = 19,536,052,929.22
  5. Step 5: Solve for x
    x = 19,536,052,929.22/152,466.38
  6. Step 6: Final answer
    x = 128,133.52

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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.