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Finding the Fourth Proportional to 181,555.68, 250,538.76 and 105,062.52

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Solution

The fourth proportional to 181,555.68, 250,538.76 and 105,062.52 is: 144,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,555.68 : 250,538.76 = 105,062.52 : x
  2. Step 2: Convert to fraction form
    181,555.68/250,538.76 = 105,062.52/x
  3. Step 3: Cross multiply
    181,555.68x = 250,538.76 × 105,062.52
  4. Step 4: Simplify right side
    181,555.68x = 26,322,233,483.28
  5. Step 5: Solve for x
    x = 26,322,233,483.28/181,555.68
  6. Step 6: Final answer
    x = 144,981.60

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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.