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Finding the Fourth Proportional to 64,691.46, 97,111.00 and 43,360.01

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Solution

The fourth proportional to 64,691.46, 97,111.00 and 43,360.01 is: 65,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,691.46 : 97,111.00 = 43,360.01 : x
  2. Step 2: Convert to fraction form
    64,691.46/97,111.00 = 43,360.01/x
  3. Step 3: Cross multiply
    64,691.46x = 97,111.00 × 43,360.01
  4. Step 4: Simplify right side
    64,691.46x = 4,210,733,863.92
  5. Step 5: Solve for x
    x = 4,210,733,863.92/64,691.46
  6. Step 6: Final answer
    x = 65,089.49

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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.