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Finding the Fourth Proportional to 64,734, 97,124.22 and 25,319.40

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Solution

The fourth proportional to 64,734, 97,124.22 and 25,319.40 is: 37,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734 : 97,124.22 = 25,319.40 : x
  2. Step 2: Convert to fraction form
    64,734/97,124.22 = 25,319.40/x
  3. Step 3: Cross multiply
    64,734x = 97,124.22 × 25,319.40
  4. Step 4: Simplify right side
    64,734x = 2,459,126,975.87
  5. Step 5: Solve for x
    x = 2,459,126,975.87/64,734
  6. Step 6: Final answer
    x = 37,988.18

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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.