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Finding the Fourth Proportional to 183,831.61, 275,980.74 and 156,304.57

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Solution

The fourth proportional to 183,831.61, 275,980.74 and 156,304.57 is: 234,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,831.61 : 275,980.74 = 156,304.57 : x
  2. Step 2: Convert to fraction form
    183,831.61/275,980.74 = 156,304.57/x
  3. Step 3: Cross multiply
    183,831.61x = 275,980.74 × 156,304.57
  4. Step 4: Simplify right side
    183,831.61x = 43,137,050,893.98
  5. Step 5: Solve for x
    x = 43,137,050,893.98/183,831.61
  6. Step 6: Final answer
    x = 234,655.24

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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.