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Finding the Fourth Proportional to 111,053.21, 153,257.06 and 60,752.21

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Solution

The fourth proportional to 111,053.21, 153,257.06 and 60,752.21 is: 83,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,053.21 : 153,257.06 = 60,752.21 : x
  2. Step 2: Convert to fraction form
    111,053.21/153,257.06 = 60,752.21/x
  3. Step 3: Cross multiply
    111,053.21x = 153,257.06 × 60,752.21
  4. Step 4: Simplify right side
    111,053.21x = 9,310,704,789.34
  5. Step 5: Solve for x
    x = 9,310,704,789.34/111,053.21
  6. Step 6: Final answer
    x = 83,840.03

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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.