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Finding the Fourth Proportional to 104,079.45, 156,070.50 and 37,510.81

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Solution

The fourth proportional to 104,079.45, 156,070.50 and 37,510.81 is: 56,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079.45 : 156,070.50 = 37,510.81 : x
  2. Step 2: Convert to fraction form
    104,079.45/156,070.50 = 37,510.81/x
  3. Step 3: Cross multiply
    104,079.45x = 156,070.50 × 37,510.81
  4. Step 4: Simplify right side
    104,079.45x = 5,854,330,872.11
  5. Step 5: Solve for x
    x = 5,854,330,872.11/104,079.45
  6. Step 6: Final answer
    x = 56,248.67

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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.