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Finding the Fourth Proportional to 124,910.60, 172,382.94 and 73,952.60

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Solution

The fourth proportional to 124,910.60, 172,382.94 and 73,952.60 is: 102,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,910.60 : 172,382.94 = 73,952.60 : x
  2. Step 2: Convert to fraction form
    124,910.60/172,382.94 = 73,952.60/x
  3. Step 3: Cross multiply
    124,910.60x = 172,382.94 × 73,952.60
  4. Step 4: Simplify right side
    124,910.60x = 12,748,166,608.64
  5. Step 5: Solve for x
    x = 12,748,166,608.64/124,910.60
  6. Step 6: Final answer
    x = 102,058.32

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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.