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Finding the Fourth Proportional to 92,995.50, 139,532.76 and 50,826.32

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Solution

The fourth proportional to 92,995.50, 139,532.76 and 50,826.32 is: 76,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,995.50 : 139,532.76 = 50,826.32 : x
  2. Step 2: Convert to fraction form
    92,995.50/139,532.76 = 50,826.32/x
  3. Step 3: Cross multiply
    92,995.50x = 139,532.76 × 50,826.32
  4. Step 4: Simplify right side
    92,995.50x = 7,091,937,059.08
  5. Step 5: Solve for x
    x = 7,091,937,059.08/92,995.50
  6. Step 6: Final answer
    x = 76,261.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.