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Finding the Fourth Proportional to 155,262.60, 232,893.90 and 76,530.60

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Solution

The fourth proportional to 155,262.60, 232,893.90 and 76,530.60 is: 114,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,262.60 : 232,893.90 = 76,530.60 : x
  2. Step 2: Convert to fraction form
    155,262.60/232,893.90 = 76,530.60/x
  3. Step 3: Cross multiply
    155,262.60x = 232,893.90 × 76,530.60
  4. Step 4: Simplify right side
    155,262.60x = 17,823,509,903.34
  5. Step 5: Solve for x
    x = 17,823,509,903.34/155,262.60
  6. Step 6: Final answer
    x = 114,795.90

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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.