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Finding the Fourth Proportional to 232,695.45, 349,043.31 and 66,483.45

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Solution

The fourth proportional to 232,695.45, 349,043.31 and 66,483.45 is: 99,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,695.45 : 349,043.31 = 66,483.45 : x
  2. Step 2: Convert to fraction form
    232,695.45/349,043.31 = 66,483.45/x
  3. Step 3: Cross multiply
    232,695.45x = 349,043.31 × 66,483.45
  4. Step 4: Simplify right side
    232,695.45x = 23,205,603,448.22
  5. Step 5: Solve for x
    x = 23,205,603,448.22/232,695.45
  6. Step 6: Final answer
    x = 99,725.21

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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.