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Finding the Fourth Proportional to 104,925.64, 156,576.89 and 93,711.64

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Solution

The fourth proportional to 104,925.64, 156,576.89 and 93,711.64 is: 139,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,925.64 : 156,576.89 = 93,711.64 : x
  2. Step 2: Convert to fraction form
    104,925.64/156,576.89 = 93,711.64/x
  3. Step 3: Cross multiply
    104,925.64x = 156,576.89 × 93,711.64
  4. Step 4: Simplify right side
    104,925.64x = 14,673,077,148.00
  5. Step 5: Solve for x
    x = 14,673,077,148.00/104,925.64
  6. Step 6: Final answer
    x = 139,842.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.