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Finding the Fourth Proportional to 181,957.56, 251,099.28 and 101,384.88

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Solution

The fourth proportional to 181,957.56, 251,099.28 and 101,384.88 is: 139,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,957.56 : 251,099.28 = 101,384.88 : x
  2. Step 2: Convert to fraction form
    181,957.56/251,099.28 = 101,384.88/x
  3. Step 3: Cross multiply
    181,957.56x = 251,099.28 × 101,384.88
  4. Step 4: Simplify right side
    181,957.56x = 25,457,670,370.89
  5. Step 5: Solve for x
    x = 25,457,670,370.89/181,957.56
  6. Step 6: Final answer
    x = 139,909.93

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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.