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Finding the Fourth Proportional to 105,653.51, 158,531.53 and 46,481.50

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Solution

The fourth proportional to 105,653.51, 158,531.53 and 46,481.50 is: 69,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,653.51 : 158,531.53 = 46,481.50 : x
  2. Step 2: Convert to fraction form
    105,653.51/158,531.53 = 46,481.50/x
  3. Step 3: Cross multiply
    105,653.51x = 158,531.53 × 46,481.50
  4. Step 4: Simplify right side
    105,653.51x = 7,368,783,311.70
  5. Step 5: Solve for x
    x = 7,368,783,311.70/105,653.51
  6. Step 6: Final answer
    x = 69,744.80

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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.