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Finding the Fourth Proportional to 70,446.48, 97,138.08 and 44,912.40

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Solution

The fourth proportional to 70,446.48, 97,138.08 and 44,912.40 is: 61,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,446.48 : 97,138.08 = 44,912.40 : x
  2. Step 2: Convert to fraction form
    70,446.48/97,138.08 = 44,912.40/x
  3. Step 3: Cross multiply
    70,446.48x = 97,138.08 × 44,912.40
  4. Step 4: Simplify right side
    70,446.48x = 4,362,704,304.19
  5. Step 5: Solve for x
    x = 4,362,704,304.19/70,446.48
  6. Step 6: Final answer
    x = 61,929.34

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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.