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Finding the Fourth Proportional to 97,322.86, 134,302.62 and 54,303.49

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Solution

The fourth proportional to 97,322.86, 134,302.62 and 54,303.49 is: 74,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,322.86 : 134,302.62 = 54,303.49 : x
  2. Step 2: Convert to fraction form
    97,322.86/134,302.62 = 54,303.49/x
  3. Step 3: Cross multiply
    97,322.86x = 134,302.62 × 54,303.49
  4. Step 4: Simplify right side
    97,322.86x = 7,293,100,982.14
  5. Step 5: Solve for x
    x = 7,293,100,982.14/97,322.86
  6. Step 6: Final answer
    x = 74,937.18

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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.