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Finding the Fourth Proportional to 183,339.90, 274,976.28 and 76,695.45

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Solution

The fourth proportional to 183,339.90, 274,976.28 and 76,695.45 is: 115,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,339.90 : 274,976.28 = 76,695.45 : x
  2. Step 2: Convert to fraction form
    183,339.90/274,976.28 = 76,695.45/x
  3. Step 3: Cross multiply
    183,339.90x = 274,976.28 × 76,695.45
  4. Step 4: Simplify right side
    183,339.90x = 21,089,429,533.93
  5. Step 5: Solve for x
    x = 21,089,429,533.93/183,339.90
  6. Step 6: Final answer
    x = 115,029.13

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1.5x scale

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.