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Finding the Fourth Proportional to 191,964.66, 264,866.13 and 116,498.58

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Solution

The fourth proportional to 191,964.66, 264,866.13 and 116,498.58 is: 160,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,964.66 : 264,866.13 = 116,498.58 : x
  2. Step 2: Convert to fraction form
    191,964.66/264,866.13 = 116,498.58/x
  3. Step 3: Cross multiply
    191,964.66x = 264,866.13 × 116,498.58
  4. Step 4: Simplify right side
    191,964.66x = 30,856,528,035.10
  5. Step 5: Solve for x
    x = 30,856,528,035.10/191,964.66
  6. Step 6: Final answer
    x = 160,740.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.