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Finding the Fourth Proportional to 127,888.74, 191,852.85 and 43,629.17

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Solution

The fourth proportional to 127,888.74, 191,852.85 and 43,629.17 is: 65,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,888.74 : 191,852.85 = 43,629.17 : x
  2. Step 2: Convert to fraction form
    127,888.74/191,852.85 = 43,629.17/x
  3. Step 3: Cross multiply
    127,888.74x = 191,852.85 × 43,629.17
  4. Step 4: Simplify right side
    127,888.74x = 8,370,380,607.63
  5. Step 5: Solve for x
    x = 8,370,380,607.63/127,888.74
  6. Step 6: Final answer
    x = 65,450.49

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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.