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Finding the Fourth Proportional to 213,361.64, 320,199.93 and 101,041.64

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Solution

The fourth proportional to 213,361.64, 320,199.93 and 101,041.64 is: 151,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,361.64 : 320,199.93 = 101,041.64 : x
  2. Step 2: Convert to fraction form
    213,361.64/320,199.93 = 101,041.64/x
  3. Step 3: Cross multiply
    213,361.64x = 320,199.93 × 101,041.64
  4. Step 4: Simplify right side
    213,361.64x = 32,353,526,055.09
  5. Step 5: Solve for x
    x = 32,353,526,055.09/213,361.64
  6. Step 6: Final answer
    x = 151,637.03

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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.