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Finding the Fourth Proportional to 181,953, 251,096.76 and 106,503.12

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Solution

The fourth proportional to 181,953, 251,096.76 and 106,503.12 is: 146,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,953 : 251,096.76 = 106,503.12 : x
  2. Step 2: Convert to fraction form
    181,953/251,096.76 = 106,503.12/x
  3. Step 3: Cross multiply
    181,953x = 251,096.76 × 106,503.12
  4. Step 4: Simplify right side
    181,953x = 26,742,588,361.89
  5. Step 5: Solve for x
    x = 26,742,588,361.89/181,953
  6. Step 6: Final answer
    x = 146,975.25

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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.