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Finding the Fourth Proportional to 73,315.63, 110,051.21 and 64,936.53

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Solution

The fourth proportional to 73,315.63, 110,051.21 and 64,936.53 is: 97,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,315.63 : 110,051.21 = 64,936.53 : x
  2. Step 2: Convert to fraction form
    73,315.63/110,051.21 = 64,936.53/x
  3. Step 3: Cross multiply
    73,315.63x = 110,051.21 × 64,936.53
  4. Step 4: Simplify right side
    73,315.63x = 7,146,343,533.94
  5. Step 5: Solve for x
    x = 7,146,343,533.94/73,315.63
  6. Step 6: Final answer
    x = 97,473.67

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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.