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Finding the Fourth Proportional to 64,907.40, 97,354.62 and 18,160.68

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Solution

The fourth proportional to 64,907.40, 97,354.62 and 18,160.68 is: 27,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,907.40 : 97,354.62 = 18,160.68 : x
  2. Step 2: Convert to fraction form
    64,907.40/97,354.62 = 18,160.68/x
  3. Step 3: Cross multiply
    64,907.40x = 97,354.62 × 18,160.68
  4. Step 4: Simplify right side
    64,907.40x = 1,768,026,100.34
  5. Step 5: Solve for x
    x = 1,768,026,100.34/64,907.40
  6. Step 6: Final answer
    x = 27,239.21

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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.