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Finding the Fourth Proportional to 108,806.99, 150,116.84 and 70,614.36

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Solution

The fourth proportional to 108,806.99, 150,116.84 and 70,614.36 is: 97,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,806.99 : 150,116.84 = 70,614.36 : x
  2. Step 2: Convert to fraction form
    108,806.99/150,116.84 = 70,614.36/x
  3. Step 3: Cross multiply
    108,806.99x = 150,116.84 × 70,614.36
  4. Step 4: Simplify right side
    108,806.99x = 10,600,404,228.75
  5. Step 5: Solve for x
    x = 10,600,404,228.75/108,806.99
  6. Step 6: Final answer
    x = 97,423.93

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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.