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Finding the Fourth Proportional to 101,525.51, 140,106.31 and 56,204.25

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Solution

The fourth proportional to 101,525.51, 140,106.31 and 56,204.25 is: 77,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,525.51 : 140,106.31 = 56,204.25 : x
  2. Step 2: Convert to fraction form
    101,525.51/140,106.31 = 56,204.25/x
  3. Step 3: Cross multiply
    101,525.51x = 140,106.31 × 56,204.25
  4. Step 4: Simplify right side
    101,525.51x = 7,874,570,073.82
  5. Step 5: Solve for x
    x = 7,874,570,073.82/101,525.51
  6. Step 6: Final answer
    x = 77,562.48

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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.