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Finding the Fourth Proportional to 147,745.30, 207,368.30 and 147,745.30

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Solution

The fourth proportional to 147,745.30, 207,368.30 and 147,745.30 is: 207,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745.30 : 207,368.30 = 147,745.30 : x
  2. Step 2: Convert to fraction form
    147,745.30/207,368.30 = 147,745.30/x
  3. Step 3: Cross multiply
    147,745.30x = 207,368.30 × 147,745.30
  4. Step 4: Simplify right side
    147,745.30x = 30,637,691,693.99
  5. Step 5: Solve for x
    x = 30,637,691,693.99/147,745.30
  6. Step 6: Final answer
    x = 207,368.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.