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Finding the Fourth Proportional to 108,007.94, 162,011.46 and 29,130.14

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Solution

The fourth proportional to 108,007.94, 162,011.46 and 29,130.14 is: 43,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,007.94 : 162,011.46 = 29,130.14 : x
  2. Step 2: Convert to fraction form
    108,007.94/162,011.46 = 29,130.14/x
  3. Step 3: Cross multiply
    108,007.94x = 162,011.46 × 29,130.14
  4. Step 4: Simplify right side
    108,007.94x = 4,719,416,511.40
  5. Step 5: Solve for x
    x = 4,719,416,511.40/108,007.94
  6. Step 6: Final answer
    x = 43,695.09

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1.5x scale

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.