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Finding the Fourth Proportional to 259,152.60, 388,783.44 and 146,886.60

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Solution

The fourth proportional to 259,152.60, 388,783.44 and 146,886.60 is: 220,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,152.60 : 388,783.44 = 146,886.60 : x
  2. Step 2: Convert to fraction form
    259,152.60/388,783.44 = 146,886.60/x
  3. Step 3: Cross multiply
    259,152.60x = 388,783.44 × 146,886.60
  4. Step 4: Simplify right side
    259,152.60x = 57,107,077,637.90
  5. Step 5: Solve for x
    x = 57,107,077,637.90/259,152.60
  6. Step 6: Final answer
    x = 220,360.81

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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.