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Finding the Fourth Proportional to 101,525.04, 140,102.55 and 56,203.08

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Solution

The fourth proportional to 101,525.04, 140,102.55 and 56,203.08 is: 77,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,525.04 : 140,102.55 = 56,203.08 : x
  2. Step 2: Convert to fraction form
    101,525.04/140,102.55 = 56,203.08/x
  3. Step 3: Cross multiply
    101,525.04x = 140,102.55 × 56,203.08
  4. Step 4: Simplify right side
    101,525.04x = 7,874,194,825.85
  5. Step 5: Solve for x
    x = 7,874,194,825.85/101,525.04
  6. Step 6: Final answer
    x = 77,559.14

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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.