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Finding the Fourth Proportional to 97,196.39, 134,130.42 and 54,768.59

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Solution

The fourth proportional to 97,196.39, 134,130.42 and 54,768.59 is: 75,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,196.39 : 134,130.42 = 54,768.59 : x
  2. Step 2: Convert to fraction form
    97,196.39/134,130.42 = 54,768.59/x
  3. Step 3: Cross multiply
    97,196.39x = 134,130.42 × 54,768.59
  4. Step 4: Simplify right side
    97,196.39x = 7,346,133,979.51
  5. Step 5: Solve for x
    x = 7,346,133,979.51/97,196.39
  6. Step 6: Final answer
    x = 75,580.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.