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Finding the Fourth Proportional to 117,904.69, 176,106.29 and 101,313.01

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Solution

The fourth proportional to 117,904.69, 176,106.29 and 101,313.01 is: 151,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904.69 : 176,106.29 = 101,313.01 : x
  2. Step 2: Convert to fraction form
    117,904.69/176,106.29 = 101,313.01/x
  3. Step 3: Cross multiply
    117,904.69x = 176,106.29 × 101,313.01
  4. Step 4: Simplify right side
    117,904.69x = 17,841,858,319.83
  5. Step 5: Solve for x
    x = 17,841,858,319.83/117,904.69
  6. Step 6: Final answer
    x = 151,324.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.