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Finding the Fourth Proportional to 416,670.22, 625,042.25 and 117,153.41

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Solution

The fourth proportional to 416,670.22, 625,042.25 and 117,153.41 is: 175,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,670.22 : 625,042.25 = 117,153.41 : x
  2. Step 2: Convert to fraction form
    416,670.22/625,042.25 = 117,153.41/x
  3. Step 3: Cross multiply
    416,670.22x = 625,042.25 × 117,153.41
  4. Step 4: Simplify right side
    416,670.22x = 73,225,830,981.57
  5. Step 5: Solve for x
    x = 73,225,830,981.57/416,670.22
  6. Step 6: Final answer
    x = 175,740.50

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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.