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Finding the Fourth Proportional to 118,554.77, 177,831.21 and 48,384.88

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Solution

The fourth proportional to 118,554.77, 177,831.21 and 48,384.88 is: 72,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,554.77 : 177,831.21 = 48,384.88 : x
  2. Step 2: Convert to fraction form
    118,554.77/177,831.21 = 48,384.88/x
  3. Step 3: Cross multiply
    118,554.77x = 177,831.21 × 48,384.88
  4. Step 4: Simplify right side
    118,554.77x = 8,604,341,492.97
  5. Step 5: Solve for x
    x = 8,604,341,492.97/118,554.77
  6. Step 6: Final answer
    x = 72,576.93

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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.