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Finding the Fourth Proportional to 144,322.56, 216,406.08 and 50,820.48

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Solution

The fourth proportional to 144,322.56, 216,406.08 and 50,820.48 is: 76,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,322.56 : 216,406.08 = 50,820.48 : x
  2. Step 2: Convert to fraction form
    144,322.56/216,406.08 = 50,820.48/x
  3. Step 3: Cross multiply
    144,322.56x = 216,406.08 × 50,820.48
  4. Step 4: Simplify right side
    144,322.56x = 10,997,860,860.52
  5. Step 5: Solve for x
    x = 10,997,860,860.52/144,322.56
  6. Step 6: Final answer
    x = 76,203.34

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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.