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Finding the Fourth Proportional to 242,090.10, 363,025.80 and 108,901.80

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Solution

The fourth proportional to 242,090.10, 363,025.80 and 108,901.80 is: 163,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,090.10 : 363,025.80 = 108,901.80 : x
  2. Step 2: Convert to fraction form
    242,090.10/363,025.80 = 108,901.80/x
  3. Step 3: Cross multiply
    242,090.10x = 363,025.80 × 108,901.80
  4. Step 4: Simplify right side
    242,090.10x = 39,534,163,066.44
  5. Step 5: Solve for x
    x = 39,534,163,066.44/242,090.10
  6. Step 6: Final answer
    x = 163,303.51

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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.