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Finding the Fourth Proportional to 108,466.92, 149,698.42 and 60,730.16

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Solution

The fourth proportional to 108,466.92, 149,698.42 and 60,730.16 is: 83,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,466.92 : 149,698.42 = 60,730.16 : x
  2. Step 2: Convert to fraction form
    108,466.92/149,698.42 = 60,730.16/x
  3. Step 3: Cross multiply
    108,466.92x = 149,698.42 × 60,730.16
  4. Step 4: Simplify right side
    108,466.92x = 9,091,208,998.35
  5. Step 5: Solve for x
    x = 9,091,208,998.35/108,466.92
  6. Step 6: Final answer
    x = 83,815.50

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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.