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Finding the Fourth Proportional to 64,804.39, 97,147.35 and 54,873.08

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Solution

The fourth proportional to 64,804.39, 97,147.35 and 54,873.08 is: 82,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,804.39 : 97,147.35 = 54,873.08 : x
  2. Step 2: Convert to fraction form
    64,804.39/97,147.35 = 54,873.08/x
  3. Step 3: Cross multiply
    64,804.39x = 97,147.35 × 54,873.08
  4. Step 4: Simplify right side
    64,804.39x = 5,330,774,186.90
  5. Step 5: Solve for x
    x = 5,330,774,186.90/64,804.39
  6. Step 6: Final answer
    x = 82,259.46

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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.