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Finding the Fourth Proportional to 97,637.32, 134,736.42 and 55,193.32

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Solution

The fourth proportional to 97,637.32, 134,736.42 and 55,193.32 is: 76,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,637.32 : 134,736.42 = 55,193.32 : x
  2. Step 2: Convert to fraction form
    97,637.32/134,736.42 = 55,193.32/x
  3. Step 3: Cross multiply
    97,637.32x = 134,736.42 × 55,193.32
  4. Step 4: Simplify right side
    97,637.32x = 7,436,550,344.71
  5. Step 5: Solve for x
    x = 7,436,550,344.71/97,637.32
  6. Step 6: Final answer
    x = 76,165.04

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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.