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Finding the Fourth Proportional to 170,665.64, 235,607.13 and 124,673.64

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Solution

The fourth proportional to 170,665.64, 235,607.13 and 124,673.64 is: 172,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,665.64 : 235,607.13 = 124,673.64 : x
  2. Step 2: Convert to fraction form
    170,665.64/235,607.13 = 124,673.64/x
  3. Step 3: Cross multiply
    170,665.64x = 235,607.13 × 124,673.64
  4. Step 4: Simplify right side
    170,665.64x = 29,373,998,507.05
  5. Step 5: Solve for x
    x = 29,373,998,507.05/170,665.64
  6. Step 6: Final answer
    x = 172,114.31

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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.