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Finding the Fourth Proportional to 268,223.60, 370,148.54 and 147,360.87

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Solution

The fourth proportional to 268,223.60, 370,148.54 and 147,360.87 is: 203,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,223.60 : 370,148.54 = 147,360.87 : x
  2. Step 2: Convert to fraction form
    268,223.60/370,148.54 = 147,360.87/x
  3. Step 3: Cross multiply
    268,223.60x = 370,148.54 × 147,360.87
  4. Step 4: Simplify right side
    268,223.60x = 54,545,410,146.83
  5. Step 5: Solve for x
    x = 54,545,410,146.83/268,223.60
  6. Step 6: Final answer
    x = 203,357.98

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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.