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Finding the Fourth Proportional to 181,885.61, 251,009.88 and 101,313.17

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Solution

The fourth proportional to 181,885.61, 251,009.88 and 101,313.17 is: 139,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,885.61 : 251,009.88 = 101,313.17 : x
  2. Step 2: Convert to fraction form
    181,885.61/251,009.88 = 101,313.17/x
  3. Step 3: Cross multiply
    181,885.61x = 251,009.88 × 101,313.17
  4. Step 4: Simplify right side
    181,885.61x = 25,430,606,644.12
  5. Step 5: Solve for x
    x = 25,430,606,644.12/181,885.61
  6. Step 6: Final answer
    x = 139,816.48

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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.