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Finding the Fourth Proportional to 117,740.04, 176,689.42 and 43,868.04

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Solution

The fourth proportional to 117,740.04, 176,689.42 and 43,868.04 is: 65,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,740.04 : 176,689.42 = 43,868.04 : x
  2. Step 2: Convert to fraction form
    117,740.04/176,689.42 = 43,868.04/x
  3. Step 3: Cross multiply
    117,740.04x = 176,689.42 × 43,868.04
  4. Step 4: Simplify right side
    117,740.04x = 7,751,018,544.14
  5. Step 5: Solve for x
    x = 7,751,018,544.14/117,740.04
  6. Step 6: Final answer
    x = 65,831.63

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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.