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Finding the Fourth Proportional to 121,027.60, 181,544.60 and 37,923.60

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Solution

The fourth proportional to 121,027.60, 181,544.60 and 37,923.60 is: 56,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,027.60 : 181,544.60 = 37,923.60 : x
  2. Step 2: Convert to fraction form
    121,027.60/181,544.60 = 37,923.60/x
  3. Step 3: Cross multiply
    121,027.60x = 181,544.60 × 37,923.60
  4. Step 4: Simplify right side
    121,027.60x = 6,884,824,792.56
  5. Step 5: Solve for x
    x = 6,884,824,792.56/121,027.60
  6. Step 6: Final answer
    x = 56,886.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.