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Finding the Fourth Proportional to 256,599.42, 384,800.73 and 88,088.34

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Solution

The fourth proportional to 256,599.42, 384,800.73 and 88,088.34 is: 132,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,599.42 : 384,800.73 = 88,088.34 : x
  2. Step 2: Convert to fraction form
    256,599.42/384,800.73 = 88,088.34/x
  3. Step 3: Cross multiply
    256,599.42x = 384,800.73 × 88,088.34
  4. Step 4: Simplify right side
    256,599.42x = 33,896,457,536.49
  5. Step 5: Solve for x
    x = 33,896,457,536.49/256,599.42
  6. Step 6: Final answer
    x = 132,098.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.