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Finding the Fourth Proportional to 64,734.04, 97,111.52 and 19,146.36

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Solution

The fourth proportional to 64,734.04, 97,111.52 and 19,146.36 is: 28,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734.04 : 97,111.52 = 19,146.36 : x
  2. Step 2: Convert to fraction form
    64,734.04/97,111.52 = 19,146.36/x
  3. Step 3: Cross multiply
    64,734.04x = 97,111.52 × 19,146.36
  4. Step 4: Simplify right side
    64,734.04x = 1,859,332,169.93
  5. Step 5: Solve for x
    x = 1,859,332,169.93/64,734.04
  6. Step 6: Final answer
    x = 28,722.64

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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.