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Finding the Fourth Proportional to 160,525.64, 221,451.90 and 103,955.24

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Solution

The fourth proportional to 160,525.64, 221,451.90 and 103,955.24 is: 143,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,525.64 : 221,451.90 = 103,955.24 : x
  2. Step 2: Convert to fraction form
    160,525.64/221,451.90 = 103,955.24/x
  3. Step 3: Cross multiply
    160,525.64x = 221,451.90 × 103,955.24
  4. Step 4: Simplify right side
    160,525.64x = 23,021,085,412.96
  5. Step 5: Solve for x
    x = 23,021,085,412.96/160,525.64
  6. Step 6: Final answer
    x = 143,410.64

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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.