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Finding the Fourth Proportional to 268,168.52, 370,074.90 and 147,312.26

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Solution

The fourth proportional to 268,168.52, 370,074.90 and 147,312.26 is: 203,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,168.52 : 370,074.90 = 147,312.26 : x
  2. Step 2: Convert to fraction form
    268,168.52/370,074.90 = 147,312.26/x
  3. Step 3: Cross multiply
    268,168.52x = 370,074.90 × 147,312.26
  4. Step 4: Simplify right side
    268,168.52x = 54,516,569,888.27
  5. Step 5: Solve for x
    x = 54,516,569,888.27/268,168.52
  6. Step 6: Final answer
    x = 203,292.21

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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.