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Finding the Fourth Proportional to 112,704, 169,028.60 and 37,804.72

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Solution

The fourth proportional to 112,704, 169,028.60 and 37,804.72 is: 56,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,704 : 169,028.60 = 37,804.72 : x
  2. Step 2: Convert to fraction form
    112,704/169,028.60 = 37,804.72/x
  3. Step 3: Cross multiply
    112,704x = 169,028.60 × 37,804.72
  4. Step 4: Simplify right side
    112,704x = 6,390,078,894.99
  5. Step 5: Solve for x
    x = 6,390,078,894.99/112,704
  6. Step 6: Final answer
    x = 56,697.89

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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.