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Finding the Fourth Proportional to 64,842.63, 97,240.51 and 27,405.57

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Solution

The fourth proportional to 64,842.63, 97,240.51 and 27,405.57 is: 41,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,842.63 : 97,240.51 = 27,405.57 : x
  2. Step 2: Convert to fraction form
    64,842.63/97,240.51 = 27,405.57/x
  3. Step 3: Cross multiply
    64,842.63x = 97,240.51 × 27,405.57
  4. Step 4: Simplify right side
    64,842.63x = 2,664,931,603.64
  5. Step 5: Solve for x
    x = 2,664,931,603.64/64,842.63
  6. Step 6: Final answer
    x = 41,098.45

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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.