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Finding the Fourth Proportional to 103,706.70, 155,525.44 and 40,510.44

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Solution

The fourth proportional to 103,706.70, 155,525.44 and 40,510.44 is: 60,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,706.70 : 155,525.44 = 40,510.44 : x
  2. Step 2: Convert to fraction form
    103,706.70/155,525.44 = 40,510.44/x
  3. Step 3: Cross multiply
    103,706.70x = 155,525.44 × 40,510.44
  4. Step 4: Simplify right side
    103,706.70x = 6,300,404,005.59
  5. Step 5: Solve for x
    x = 6,300,404,005.59/103,706.70
  6. Step 6: Final answer
    x = 60,752.14

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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.