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Finding the Fourth Proportional to 219,637.40, 303,099.54 and 119,035.40

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Solution

The fourth proportional to 219,637.40, 303,099.54 and 119,035.40 is: 164,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,637.40 : 303,099.54 = 119,035.40 : x
  2. Step 2: Convert to fraction form
    219,637.40/303,099.54 = 119,035.40/x
  3. Step 3: Cross multiply
    219,637.40x = 303,099.54 × 119,035.40
  4. Step 4: Simplify right side
    219,637.40x = 36,079,574,983.72
  5. Step 5: Solve for x
    x = 36,079,574,983.72/219,637.40
  6. Step 6: Final answer
    x = 164,268.81

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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.