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Finding the Fourth Proportional to 117,296.78, 175,918.18 and 69,925.24

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Solution

The fourth proportional to 117,296.78, 175,918.18 and 69,925.24 is: 104,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,296.78 : 175,918.18 = 69,925.24 : x
  2. Step 2: Convert to fraction form
    117,296.78/175,918.18 = 69,925.24/x
  3. Step 3: Cross multiply
    117,296.78x = 175,918.18 × 69,925.24
  4. Step 4: Simplify right side
    117,296.78x = 12,301,120,956.86
  5. Step 5: Solve for x
    x = 12,301,120,956.86/117,296.78
  6. Step 6: Final answer
    x = 104,871.77

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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.