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Finding the Fourth Proportional to 118,706.77, 178,002.69 and 43,862.23

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Solution

The fourth proportional to 118,706.77, 178,002.69 and 43,862.23 is: 65,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,706.77 : 178,002.69 = 43,862.23 : x
  2. Step 2: Convert to fraction form
    118,706.77/178,002.69 = 43,862.23/x
  3. Step 3: Cross multiply
    118,706.77x = 178,002.69 × 43,862.23
  4. Step 4: Simplify right side
    118,706.77x = 7,807,594,929.40
  5. Step 5: Solve for x
    x = 7,807,594,929.40/118,706.77
  6. Step 6: Final answer
    x = 65,772.11

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1.5x scale

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.