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Finding the Fourth Proportional to 70,903.08, 106,420.23 and 35,867.34

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Solution

The fourth proportional to 70,903.08, 106,420.23 and 35,867.34 is: 53,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,903.08 : 106,420.23 = 35,867.34 : x
  2. Step 2: Convert to fraction form
    70,903.08/106,420.23 = 35,867.34/x
  3. Step 3: Cross multiply
    70,903.08x = 106,420.23 × 35,867.34
  4. Step 4: Simplify right side
    70,903.08x = 3,817,010,572.29
  5. Step 5: Solve for x
    x = 3,817,010,572.29/70,903.08
  6. Step 6: Final answer
    x = 53,834.20

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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.