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Finding the Fourth Proportional to 108,035.80, 162,053.70 and 60,602.20

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Solution

The fourth proportional to 108,035.80, 162,053.70 and 60,602.20 is: 90,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,035.80 : 162,053.70 = 60,602.20 : x
  2. Step 2: Convert to fraction form
    108,035.80/162,053.70 = 60,602.20/x
  3. Step 3: Cross multiply
    108,035.80x = 162,053.70 × 60,602.20
  4. Step 4: Simplify right side
    108,035.80x = 9,820,810,738.14
  5. Step 5: Solve for x
    x = 9,820,810,738.14/108,035.80
  6. Step 6: Final answer
    x = 90,903.30

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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.