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Finding the Fourth Proportional to 92,894.83, 128,192.75 and 50,452.45

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Solution

The fourth proportional to 92,894.83, 128,192.75 and 50,452.45 is: 69,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,894.83 : 128,192.75 = 50,452.45 : x
  2. Step 2: Convert to fraction form
    92,894.83/128,192.75 = 50,452.45/x
  3. Step 3: Cross multiply
    92,894.83x = 128,192.75 × 50,452.45
  4. Step 4: Simplify right side
    92,894.83x = 6,467,638,309.74
  5. Step 5: Solve for x
    x = 6,467,638,309.74/92,894.83
  6. Step 6: Final answer
    x = 69,623.23

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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.