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Finding the Fourth Proportional to 191,742.88, 264,674.64 and 116,289.76

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Solution

The fourth proportional to 191,742.88, 264,674.64 and 116,289.76 is: 160,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,742.88 : 264,674.64 = 116,289.76 : x
  2. Step 2: Convert to fraction form
    191,742.88/264,674.64 = 116,289.76/x
  3. Step 3: Cross multiply
    191,742.88x = 264,674.64 × 116,289.76
  4. Step 4: Simplify right side
    191,742.88x = 30,778,950,363.69
  5. Step 5: Solve for x
    x = 30,778,950,363.69/191,742.88
  6. Step 6: Final answer
    x = 160,522.00

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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.