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Finding the Fourth Proportional to 105,107.68, 157,563.06 and 34,970.68

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Solution

The fourth proportional to 105,107.68, 157,563.06 and 34,970.68 is: 52,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,107.68 : 157,563.06 = 34,970.68 : x
  2. Step 2: Convert to fraction form
    105,107.68/157,563.06 = 34,970.68/x
  3. Step 3: Cross multiply
    105,107.68x = 157,563.06 × 34,970.68
  4. Step 4: Simplify right side
    105,107.68x = 5,510,087,351.08
  5. Step 5: Solve for x
    x = 5,510,087,351.08/105,107.68
  6. Step 6: Final answer
    x = 52,423.26

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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.