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Finding the Fourth Proportional to 108,340.76, 149,509.40 and 60,594.08

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Solution

The fourth proportional to 108,340.76, 149,509.40 and 60,594.08 is: 83,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,340.76 : 149,509.40 = 60,594.08 : x
  2. Step 2: Convert to fraction form
    108,340.76/149,509.40 = 60,594.08/x
  3. Step 3: Cross multiply
    108,340.76x = 149,509.40 × 60,594.08
  4. Step 4: Simplify right side
    108,340.76x = 9,059,383,493.83
  5. Step 5: Solve for x
    x = 9,059,383,493.83/108,340.76
  6. Step 6: Final answer
    x = 83,619.34

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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.