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Finding the Fourth Proportional to 202,009.07, 303,102.86 and 105,923.34

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Solution

The fourth proportional to 202,009.07, 303,102.86 and 105,923.34 is: 158,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,009.07 : 303,102.86 = 105,923.34 : x
  2. Step 2: Convert to fraction form
    202,009.07/303,102.86 = 105,923.34/x
  3. Step 3: Cross multiply
    202,009.07x = 303,102.86 × 105,923.34
  4. Step 4: Simplify right side
    202,009.07x = 32,105,665,779.24
  5. Step 5: Solve for x
    x = 32,105,665,779.24/202,009.07
  6. Step 6: Final answer
    x = 158,931.81

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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.