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Finding the Fourth Proportional to 64,874.06, 97,348.03 and 42,697.88

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Solution

The fourth proportional to 64,874.06, 97,348.03 and 42,697.88 is: 64,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.06 : 97,348.03 = 42,697.88 : x
  2. Step 2: Convert to fraction form
    64,874.06/97,348.03 = 42,697.88/x
  3. Step 3: Cross multiply
    64,874.06x = 97,348.03 × 42,697.88
  4. Step 4: Simplify right side
    64,874.06x = 4,156,554,822.33
  5. Step 5: Solve for x
    x = 4,156,554,822.33/64,874.06
  6. Step 6: Final answer
    x = 64,071.13

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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.