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Finding the Fourth Proportional to 181,097.76, 249,930.73 and 105,670.56

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Solution

The fourth proportional to 181,097.76, 249,930.73 and 105,670.56 is: 145,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,097.76 : 249,930.73 = 105,670.56 : x
  2. Step 2: Convert to fraction form
    181,097.76/249,930.73 = 105,670.56/x
  3. Step 3: Cross multiply
    181,097.76x = 249,930.73 × 105,670.56
  4. Step 4: Simplify right side
    181,097.76x = 26,410,320,200.31
  5. Step 5: Solve for x
    x = 26,410,320,200.31/181,097.76
  6. Step 6: Final answer
    x = 145,834.60

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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.