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Finding the Fourth Proportional to 216,647.33, 299,048.47 and 148,888.60

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Solution

The fourth proportional to 216,647.33, 299,048.47 and 148,888.60 is: 205,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,647.33 : 299,048.47 = 148,888.60 : x
  2. Step 2: Convert to fraction form
    216,647.33/299,048.47 = 148,888.60/x
  3. Step 3: Cross multiply
    216,647.33x = 299,048.47 × 148,888.60
  4. Step 4: Simplify right side
    216,647.33x = 44,524,908,030.44
  5. Step 5: Solve for x
    x = 44,524,908,030.44/216,647.33
  6. Step 6: Final answer
    x = 205,517.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.