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Finding the Fourth Proportional to 219,527.36, 328,931.04 and 93,066.56

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Solution

The fourth proportional to 219,527.36, 328,931.04 and 93,066.56 is: 139,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,527.36 : 328,931.04 = 93,066.56 : x
  2. Step 2: Convert to fraction form
    219,527.36/328,931.04 = 93,066.56/x
  3. Step 3: Cross multiply
    219,527.36x = 328,931.04 × 93,066.56
  4. Step 4: Simplify right side
    219,527.36x = 30,612,480,370.02
  5. Step 5: Solve for x
    x = 30,612,480,370.02/219,527.36
  6. Step 6: Final answer
    x = 139,447.22

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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.