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Finding the Fourth Proportional to 66,852.48, 100,210.56 and 37,283.20

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Solution

The fourth proportional to 66,852.48, 100,210.56 and 37,283.20 is: 55,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,852.48 : 100,210.56 = 37,283.20 : x
  2. Step 2: Convert to fraction form
    66,852.48/100,210.56 = 37,283.20/x
  3. Step 3: Cross multiply
    66,852.48x = 100,210.56 × 37,283.20
  4. Step 4: Simplify right side
    66,852.48x = 3,736,170,350.59
  5. Step 5: Solve for x
    x = 3,736,170,350.59/66,852.48
  6. Step 6: Final answer
    x = 55,886.79

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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.