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Finding the Fourth Proportional to 105,599.99, 158,400.06 and 25,638.11

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Solution

The fourth proportional to 105,599.99, 158,400.06 and 25,638.11 is: 38,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,599.99 : 158,400.06 = 25,638.11 : x
  2. Step 2: Convert to fraction form
    105,599.99/158,400.06 = 25,638.11/x
  3. Step 3: Cross multiply
    105,599.99x = 158,400.06 × 25,638.11
  4. Step 4: Simplify right side
    105,599.99x = 4,061,078,162.29
  5. Step 5: Solve for x
    x = 4,061,078,162.29/105,599.99
  6. Step 6: Final answer
    x = 38,457.18

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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.