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Finding the Fourth Proportional to 152,441.60, 228,273.60 and 121,337.60

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Solution

The fourth proportional to 152,441.60, 228,273.60 and 121,337.60 is: 181,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,441.60 : 228,273.60 = 121,337.60 : x
  2. Step 2: Convert to fraction form
    152,441.60/228,273.60 = 121,337.60/x
  3. Step 3: Cross multiply
    152,441.60x = 228,273.60 × 121,337.60
  4. Step 4: Simplify right side
    152,441.60x = 27,698,170,767.36
  5. Step 5: Solve for x
    x = 27,698,170,767.36/152,441.60
  6. Step 6: Final answer
    x = 181,696.93

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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.