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Finding the Fourth Proportional to 235,349.60, 324,780.51 and 127,919.30

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Solution

The fourth proportional to 235,349.60, 324,780.51 and 127,919.30 is: 176,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,349.60 : 324,780.51 = 127,919.30 : x
  2. Step 2: Convert to fraction form
    235,349.60/324,780.51 = 127,919.30/x
  3. Step 3: Cross multiply
    235,349.60x = 324,780.51 × 127,919.30
  4. Step 4: Simplify right side
    235,349.60x = 41,545,695,815.76
  5. Step 5: Solve for x
    x = 41,545,695,815.76/235,349.60
  6. Step 6: Final answer
    x = 176,527.58

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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.