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Finding the Fourth Proportional to 107,039.70, 160,450.20 and 62,643.60

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Solution

The fourth proportional to 107,039.70, 160,450.20 and 62,643.60 is: 93,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,039.70 : 160,450.20 = 62,643.60 : x
  2. Step 2: Convert to fraction form
    107,039.70/160,450.20 = 62,643.60/x
  3. Step 3: Cross multiply
    107,039.70x = 160,450.20 × 62,643.60
  4. Step 4: Simplify right side
    107,039.70x = 10,051,178,148.72
  5. Step 5: Solve for x
    x = 10,051,178,148.72/107,039.70
  6. Step 6: Final answer
    x = 93,901.40

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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.