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Finding the Fourth Proportional to 236,442.49, 353,831.59 and 147,737.77

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Solution

The fourth proportional to 236,442.49, 353,831.59 and 147,737.77 is: 221,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,442.49 : 353,831.59 = 147,737.77 : x
  2. Step 2: Convert to fraction form
    236,442.49/353,831.59 = 147,737.77/x
  3. Step 3: Cross multiply
    236,442.49x = 353,831.59 × 147,737.77
  4. Step 4: Simplify right side
    236,442.49x = 52,274,287,554.31
  5. Step 5: Solve for x
    x = 52,274,287,554.31/236,442.49
  6. Step 6: Final answer
    x = 221,086.69

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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.