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Finding the Fourth Proportional to 97,319.58, 134,300.83 and 54,296.51

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Solution

The fourth proportional to 97,319.58, 134,300.83 and 54,296.51 is: 74,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,319.58 : 134,300.83 = 54,296.51 : x
  2. Step 2: Convert to fraction form
    97,319.58/134,300.83 = 54,296.51/x
  3. Step 3: Cross multiply
    97,319.58x = 134,300.83 × 54,296.51
  4. Step 4: Simplify right side
    97,319.58x = 7,292,066,359.10
  5. Step 5: Solve for x
    x = 7,292,066,359.10/97,319.58
  6. Step 6: Final answer
    x = 74,929.08

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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.