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Finding the Fourth Proportional to 221,619.08, 332,426.46 and 55,407.08

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Solution

The fourth proportional to 221,619.08, 332,426.46 and 55,407.08 is: 83,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,619.08 : 332,426.46 = 55,407.08 : x
  2. Step 2: Convert to fraction form
    221,619.08/332,426.46 = 55,407.08/x
  3. Step 3: Cross multiply
    221,619.08x = 332,426.46 × 55,407.08
  4. Step 4: Simplify right side
    221,619.08x = 18,418,779,463.34
  5. Step 5: Solve for x
    x = 18,418,779,463.34/221,619.08
  6. Step 6: Final answer
    x = 83,110.08

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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.