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Finding the Fourth Proportional to 70,347.64, 97,092.12 and 68,012.14

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Solution

The fourth proportional to 70,347.64, 97,092.12 and 68,012.14 is: 93,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.64 : 97,092.12 = 68,012.14 : x
  2. Step 2: Convert to fraction form
    70,347.64/97,092.12 = 68,012.14/x
  3. Step 3: Cross multiply
    70,347.64x = 97,092.12 × 68,012.14
  4. Step 4: Simplify right side
    70,347.64x = 6,603,442,858.34
  5. Step 5: Solve for x
    x = 6,603,442,858.34/70,347.64
  6. Step 6: Final answer
    x = 93,868.72

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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.