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Finding the Fourth Proportional to 216,655.58, 299,059.88 and 148,896.86

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Solution

The fourth proportional to 216,655.58, 299,059.88 and 148,896.86 is: 205,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,655.58 : 299,059.88 = 148,896.86 : x
  2. Step 2: Convert to fraction form
    216,655.58/299,059.88 = 148,896.86/x
  3. Step 3: Cross multiply
    216,655.58x = 299,059.88 × 148,896.86
  4. Step 4: Simplify right side
    216,655.58x = 44,529,074,844.19
  5. Step 5: Solve for x
    x = 44,529,074,844.19/216,655.58
  6. Step 6: Final answer
    x = 205,529.33

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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.