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Finding the Fourth Proportional to 64,707.81, 97,042.56 and 29,148.57

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Solution

The fourth proportional to 64,707.81, 97,042.56 and 29,148.57 is: 43,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.81 : 97,042.56 = 29,148.57 : x
  2. Step 2: Convert to fraction form
    64,707.81/97,042.56 = 29,148.57/x
  3. Step 3: Cross multiply
    64,707.81x = 97,042.56 × 29,148.57
  4. Step 4: Simplify right side
    64,707.81x = 2,828,651,743.83
  5. Step 5: Solve for x
    x = 2,828,651,743.83/64,707.81
  6. Step 6: Final answer
    x = 43,714.23

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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.