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Finding the Fourth Proportional to 117,461.43, 162,174.83 and 69,730.11

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Solution

The fourth proportional to 117,461.43, 162,174.83 and 69,730.11 is: 96,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,461.43 : 162,174.83 = 69,730.11 : x
  2. Step 2: Convert to fraction form
    117,461.43/162,174.83 = 69,730.11/x
  3. Step 3: Cross multiply
    117,461.43x = 162,174.83 × 69,730.11
  4. Step 4: Simplify right side
    117,461.43x = 11,308,468,386.48
  5. Step 5: Solve for x
    x = 11,308,468,386.48/117,461.43
  6. Step 6: Final answer
    x = 96,273.89

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1.5x scale

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.