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Finding the Fourth Proportional to 97,776.03, 134,930.90 and 53,064.03

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Solution

The fourth proportional to 97,776.03, 134,930.90 and 53,064.03 is: 73,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,776.03 : 134,930.90 = 53,064.03 : x
  2. Step 2: Convert to fraction form
    97,776.03/134,930.90 = 53,064.03/x
  3. Step 3: Cross multiply
    97,776.03x = 134,930.90 × 53,064.03
  4. Step 4: Simplify right side
    97,776.03x = 7,159,977,060.21
  5. Step 5: Solve for x
    x = 7,159,977,060.21/97,776.03
  6. Step 6: Final answer
    x = 73,228.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.