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Finding the Fourth Proportional to 93,178.84, 128,586.96 and 50,737.54

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Solution

The fourth proportional to 93,178.84, 128,586.96 and 50,737.54 is: 70,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,178.84 : 128,586.96 = 50,737.54 : x
  2. Step 2: Convert to fraction form
    93,178.84/128,586.96 = 50,737.54/x
  3. Step 3: Cross multiply
    93,178.84x = 128,586.96 × 50,737.54
  4. Step 4: Simplify right side
    93,178.84x = 6,524,186,026.48
  5. Step 5: Solve for x
    x = 6,524,186,026.48/93,178.84
  6. Step 6: Final answer
    x = 70,017.89

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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.