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Finding the Fourth Proportional to 97,051.92, 145,577.88 and 26,931.30

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Solution

The fourth proportional to 97,051.92, 145,577.88 and 26,931.30 is: 40,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,051.92 : 145,577.88 = 26,931.30 : x
  2. Step 2: Convert to fraction form
    97,051.92/145,577.88 = 26,931.30/x
  3. Step 3: Cross multiply
    97,051.92x = 145,577.88 × 26,931.30
  4. Step 4: Simplify right side
    97,051.92x = 3,920,601,559.64
  5. Step 5: Solve for x
    x = 3,920,601,559.64/97,051.92
  6. Step 6: Final answer
    x = 40,396.95

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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.