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Finding the Fourth Proportional to 79,457.40, 119,185.74 and 26,903.16

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Solution

The fourth proportional to 79,457.40, 119,185.74 and 26,903.16 is: 40,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,457.40 : 119,185.74 = 26,903.16 : x
  2. Step 2: Convert to fraction form
    79,457.40/119,185.74 = 26,903.16/x
  3. Step 3: Cross multiply
    79,457.40x = 119,185.74 × 26,903.16
  4. Step 4: Simplify right side
    79,457.40x = 3,206,473,032.94
  5. Step 5: Solve for x
    x = 3,206,473,032.94/79,457.40
  6. Step 6: Final answer
    x = 40,354.62

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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.