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Finding the Fourth Proportional to 216,922.95, 299,389.50 and 148,884.03

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Solution

The fourth proportional to 216,922.95, 299,389.50 and 148,884.03 is: 205,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,922.95 : 299,389.50 = 148,884.03 : x
  2. Step 2: Convert to fraction form
    216,922.95/299,389.50 = 148,884.03/x
  3. Step 3: Cross multiply
    216,922.95x = 299,389.50 × 148,884.03
  4. Step 4: Simplify right side
    216,922.95x = 44,574,315,299.69
  5. Step 5: Solve for x
    x = 44,574,315,299.69/216,922.95
  6. Step 6: Final answer
    x = 205,484.55

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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.