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Finding the Fourth Proportional to 68,193.39, 102,220.38 and 46,009.01

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Solution

The fourth proportional to 68,193.39, 102,220.38 and 46,009.01 is: 68,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,193.39 : 102,220.38 = 46,009.01 : x
  2. Step 2: Convert to fraction form
    68,193.39/102,220.38 = 46,009.01/x
  3. Step 3: Cross multiply
    68,193.39x = 102,220.38 × 46,009.01
  4. Step 4: Simplify right side
    68,193.39x = 4,703,058,741.17
  5. Step 5: Solve for x
    x = 4,703,058,741.17/68,193.39
  6. Step 6: Final answer
    x = 68,966.49

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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.