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Finding the Fourth Proportional to 93,846.84, 129,508.67 and 51,406.90

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Solution

The fourth proportional to 93,846.84, 129,508.67 and 51,406.90 is: 70,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,846.84 : 129,508.67 = 51,406.90 : x
  2. Step 2: Convert to fraction form
    93,846.84/129,508.67 = 51,406.90/x
  3. Step 3: Cross multiply
    93,846.84x = 129,508.67 × 51,406.90
  4. Step 4: Simplify right side
    93,846.84x = 6,657,639,247.82
  5. Step 5: Solve for x
    x = 6,657,639,247.82/93,846.84
  6. Step 6: Final answer
    x = 70,941.54

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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.