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Finding the Fourth Proportional to 318,133.04, 439,006.72 and 174,865.52

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Solution

The fourth proportional to 318,133.04, 439,006.72 and 174,865.52 is: 241,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,133.04 : 439,006.72 = 174,865.52 : x
  2. Step 2: Convert to fraction form
    318,133.04/439,006.72 = 174,865.52/x
  3. Step 3: Cross multiply
    318,133.04x = 439,006.72 × 174,865.52
  4. Step 4: Simplify right side
    318,133.04x = 76,767,138,376.29
  5. Step 5: Solve for x
    x = 76,767,138,376.29/318,133.04
  6. Step 6: Final answer
    x = 241,305.14

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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.