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Finding the Fourth Proportional to 70,920.31, 97,915.59 and 44,099.29

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Solution

The fourth proportional to 70,920.31, 97,915.59 and 44,099.29 is: 60,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,920.31 : 97,915.59 = 44,099.29 : x
  2. Step 2: Convert to fraction form
    70,920.31/97,915.59 = 44,099.29/x
  3. Step 3: Cross multiply
    70,920.31x = 97,915.59 × 44,099.29
  4. Step 4: Simplify right side
    70,920.31x = 4,318,007,998.93
  5. Step 5: Solve for x
    x = 4,318,007,998.93/70,920.31
  6. Step 6: Final answer
    x = 60,885.35

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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.