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Finding the Fourth Proportional to 73,426.23, 101,328.80 and 39,892.23

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Solution

The fourth proportional to 73,426.23, 101,328.80 and 39,892.23 is: 55,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,426.23 : 101,328.80 = 39,892.23 : x
  2. Step 2: Convert to fraction form
    73,426.23/101,328.80 = 39,892.23/x
  3. Step 3: Cross multiply
    73,426.23x = 101,328.80 × 39,892.23
  4. Step 4: Simplify right side
    73,426.23x = 4,042,231,595.76
  5. Step 5: Solve for x
    x = 4,042,231,595.76/73,426.23
  6. Step 6: Final answer
    x = 55,051.60

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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.