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Finding the Fourth Proportional to 181,894.79, 251,014.64 and 105,458.25

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Solution

The fourth proportional to 181,894.79, 251,014.64 and 105,458.25 is: 145,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,894.79 : 251,014.64 = 105,458.25 : x
  2. Step 2: Convert to fraction form
    181,894.79/251,014.64 = 105,458.25/x
  3. Step 3: Cross multiply
    181,894.79x = 251,014.64 × 105,458.25
  4. Step 4: Simplify right side
    181,894.79x = 26,471,564,131.49
  5. Step 5: Solve for x
    x = 26,471,564,131.49/181,894.79
  6. Step 6: Final answer
    x = 145,532.29

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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.