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Finding the Fourth Proportional to 151,043.54, 208,445.44 and 83,065.69

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Solution

The fourth proportional to 151,043.54, 208,445.44 and 83,065.69 is: 114,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,043.54 : 208,445.44 = 83,065.69 : x
  2. Step 2: Convert to fraction form
    151,043.54/208,445.44 = 83,065.69/x
  3. Step 3: Cross multiply
    151,043.54x = 208,445.44 × 83,065.69
  4. Step 4: Simplify right side
    151,043.54x = 17,314,664,300.95
  5. Step 5: Solve for x
    x = 17,314,664,300.95/151,043.54
  6. Step 6: Final answer
    x = 114,633.60

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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.