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Finding the Fourth Proportional to 154,955.40, 232,433.10 and 44,147.40

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Solution

The fourth proportional to 154,955.40, 232,433.10 and 44,147.40 is: 66,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,955.40 : 232,433.10 = 44,147.40 : x
  2. Step 2: Convert to fraction form
    154,955.40/232,433.10 = 44,147.40/x
  3. Step 3: Cross multiply
    154,955.40x = 232,433.10 × 44,147.40
  4. Step 4: Simplify right side
    154,955.40x = 10,261,317,038.94
  5. Step 5: Solve for x
    x = 10,261,317,038.94/154,955.40
  6. Step 6: Final answer
    x = 66,221.10

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1.5x scale

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.