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Finding the Fourth Proportional to 93,807.34, 129,454.34 and 50,787.30

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Solution

The fourth proportional to 93,807.34, 129,454.34 and 50,787.30 is: 70,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,807.34 : 129,454.34 = 50,787.30 : x
  2. Step 2: Convert to fraction form
    93,807.34/129,454.34 = 50,787.30/x
  3. Step 3: Cross multiply
    93,807.34x = 129,454.34 × 50,787.30
  4. Step 4: Simplify right side
    93,807.34x = 6,574,636,401.88
  5. Step 5: Solve for x
    x = 6,574,636,401.88/93,807.34
  6. Step 6: Final answer
    x = 70,086.59

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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.