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Finding the Fourth Proportional to 93,466.88, 128,984.82 and 51,025.84

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Solution

The fourth proportional to 93,466.88, 128,984.82 and 51,025.84 is: 70,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,466.88 : 128,984.82 = 51,025.84 : x
  2. Step 2: Convert to fraction form
    93,466.88/128,984.82 = 51,025.84/x
  3. Step 3: Cross multiply
    93,466.88x = 128,984.82 × 51,025.84
  4. Step 4: Simplify right side
    93,466.88x = 6,581,558,787.75
  5. Step 5: Solve for x
    x = 6,581,558,787.75/93,466.88
  6. Step 6: Final answer
    x = 70,415.95

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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.