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Finding the Fourth Proportional to 103,683.35, 155,525.03 and 101,955.35

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Solution

The fourth proportional to 103,683.35, 155,525.03 and 101,955.35 is: 152,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.35 : 155,525.03 = 101,955.35 : x
  2. Step 2: Convert to fraction form
    103,683.35/155,525.03 = 101,955.35/x
  3. Step 3: Cross multiply
    103,683.35x = 155,525.03 × 101,955.35
  4. Step 4: Simplify right side
    103,683.35x = 15,856,608,357.63
  5. Step 5: Solve for x
    x = 15,856,608,357.63/103,683.35
  6. Step 6: Final answer
    x = 152,933.03

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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.