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Finding the Fourth Proportional to 108,507.58, 162,807.87 and 55,953.97

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Solution

The fourth proportional to 108,507.58, 162,807.87 and 55,953.97 is: 83,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,507.58 : 162,807.87 = 55,953.97 : x
  2. Step 2: Convert to fraction form
    108,507.58/162,807.87 = 55,953.97/x
  3. Step 3: Cross multiply
    108,507.58x = 162,807.87 × 55,953.97
  4. Step 4: Simplify right side
    108,507.58x = 9,109,745,579.93
  5. Step 5: Solve for x
    x = 9,109,745,579.93/108,507.58
  6. Step 6: Final answer
    x = 83,954.93

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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.