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Finding the Fourth Proportional to 100,710.41, 151,065.62 and 47,369.23

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Solution

The fourth proportional to 100,710.41, 151,065.62 and 47,369.23 is: 71,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,710.41 : 151,065.62 = 47,369.23 : x
  2. Step 2: Convert to fraction form
    100,710.41/151,065.62 = 47,369.23/x
  3. Step 3: Cross multiply
    100,710.41x = 151,065.62 × 47,369.23
  4. Step 4: Simplify right side
    100,710.41x = 7,155,861,839.63
  5. Step 5: Solve for x
    x = 7,155,861,839.63/100,710.41
  6. Step 6: Final answer
    x = 71,053.84

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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.