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Finding the Fourth Proportional to 155,283.57, 232,831.25 and 101,288.59

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Solution

The fourth proportional to 155,283.57, 232,831.25 and 101,288.59 is: 151,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,283.57 : 232,831.25 = 101,288.59 : x
  2. Step 2: Convert to fraction form
    155,283.57/232,831.25 = 101,288.59/x
  3. Step 3: Cross multiply
    155,283.57x = 232,831.25 × 101,288.59
  4. Step 4: Simplify right side
    155,283.57x = 23,583,148,496.73
  5. Step 5: Solve for x
    x = 23,583,148,496.73/155,283.57
  6. Step 6: Final answer
    x = 151,871.50

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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.