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Finding the Fourth Proportional to 124,475.01, 171,773.64 and 67,886.39

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Solution

The fourth proportional to 124,475.01, 171,773.64 and 67,886.39 is: 93,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,475.01 : 171,773.64 = 67,886.39 : x
  2. Step 2: Convert to fraction form
    124,475.01/171,773.64 = 67,886.39/x
  3. Step 3: Cross multiply
    124,475.01x = 171,773.64 × 67,886.39
  4. Step 4: Simplify right side
    124,475.01x = 11,661,091,457.89
  5. Step 5: Solve for x
    x = 11,661,091,457.89/124,475.01
  6. Step 6: Final answer
    x = 93,682.19

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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.