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Finding the Fourth Proportional to 124,460.01, 171,619.02 and 84,103.65

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Solution

The fourth proportional to 124,460.01, 171,619.02 and 84,103.65 is: 115,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,460.01 : 171,619.02 = 84,103.65 : x
  2. Step 2: Convert to fraction form
    124,460.01/171,619.02 = 84,103.65/x
  3. Step 3: Cross multiply
    124,460.01x = 171,619.02 × 84,103.65
  4. Step 4: Simplify right side
    124,460.01x = 14,433,785,991.42
  5. Step 5: Solve for x
    x = 14,433,785,991.42/124,460.01
  6. Step 6: Final answer
    x = 115,971.27

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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.