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Finding the Fourth Proportional to 108,754.44, 150,166.08 and 70,532.16

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Solution

The fourth proportional to 108,754.44, 150,166.08 and 70,532.16 is: 97,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,754.44 : 150,166.08 = 70,532.16 : x
  2. Step 2: Convert to fraction form
    108,754.44/150,166.08 = 70,532.16/x
  3. Step 3: Cross multiply
    108,754.44x = 150,166.08 × 70,532.16
  4. Step 4: Simplify right side
    108,754.44x = 10,591,537,981.13
  5. Step 5: Solve for x
    x = 10,591,537,981.13/108,754.44
  6. Step 6: Final answer
    x = 97,389.48

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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.