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Finding the Fourth Proportional to 97,391.84, 134,401.08 and 52,679.84

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Solution

The fourth proportional to 97,391.84, 134,401.08 and 52,679.84 is: 72,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,391.84 : 134,401.08 = 52,679.84 : x
  2. Step 2: Convert to fraction form
    97,391.84/134,401.08 = 52,679.84/x
  3. Step 3: Cross multiply
    97,391.84x = 134,401.08 × 52,679.84
  4. Step 4: Simplify right side
    97,391.84x = 7,080,227,390.23
  5. Step 5: Solve for x
    x = 7,080,227,390.23/97,391.84
  6. Step 6: Final answer
    x = 72,698.36

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1.5x scale

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.