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Finding the Fourth Proportional to 73,798.04, 110,603.60 and 47,133.72

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Solution

The fourth proportional to 73,798.04, 110,603.60 and 47,133.72 is: 70,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,798.04 : 110,603.60 = 47,133.72 : x
  2. Step 2: Convert to fraction form
    73,798.04/110,603.60 = 47,133.72/x
  3. Step 3: Cross multiply
    73,798.04x = 110,603.60 × 47,133.72
  4. Step 4: Simplify right side
    73,798.04x = 5,213,159,498.11
  5. Step 5: Solve for x
    x = 5,213,159,498.11/73,798.04
  6. Step 6: Final answer
    x = 70,640.90

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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.