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Finding the Fourth Proportional to 118,325.76, 177,436.80 and 44,401.92

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Solution

The fourth proportional to 118,325.76, 177,436.80 and 44,401.92 is: 66,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325.76 : 177,436.80 = 44,401.92 : x
  2. Step 2: Convert to fraction form
    118,325.76/177,436.80 = 44,401.92/x
  3. Step 3: Cross multiply
    118,325.76x = 177,436.80 × 44,401.92
  4. Step 4: Simplify right side
    118,325.76x = 7,878,534,598.66
  5. Step 5: Solve for x
    x = 7,878,534,598.66/118,325.76
  6. Step 6: Final answer
    x = 66,583.43

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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.