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Finding the Fourth Proportional to 162,059.90, 223,655.03 and 89,476.79

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Solution

The fourth proportional to 162,059.90, 223,655.03 and 89,476.79 is: 123,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,059.90 : 223,655.03 = 89,476.79 : x
  2. Step 2: Convert to fraction form
    162,059.90/223,655.03 = 89,476.79/x
  3. Step 3: Cross multiply
    162,059.90x = 223,655.03 × 89,476.79
  4. Step 4: Simplify right side
    162,059.90x = 20,011,932,586.09
  5. Step 5: Solve for x
    x = 20,011,932,586.09/162,059.90
  6. Step 6: Final answer
    x = 123,484.79

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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.