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Finding the Fourth Proportional to 93,432.84, 128,940.04 and 50,994.12

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Solution

The fourth proportional to 93,432.84, 128,940.04 and 50,994.12 is: 70,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,432.84 : 128,940.04 = 50,994.12 : x
  2. Step 2: Convert to fraction form
    93,432.84/128,940.04 = 50,994.12/x
  3. Step 3: Cross multiply
    93,432.84x = 128,940.04 × 50,994.12
  4. Step 4: Simplify right side
    93,432.84x = 6,575,183,872.56
  5. Step 5: Solve for x
    x = 6,575,183,872.56/93,432.84
  6. Step 6: Final answer
    x = 70,373.37

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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.