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Finding the Fourth Proportional to 174,018.20, 243,100.60 and 174,018.20

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Solution

The fourth proportional to 174,018.20, 243,100.60 and 174,018.20 is: 243,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,018.20 : 243,100.60 = 174,018.20 : x
  2. Step 2: Convert to fraction form
    174,018.20/243,100.60 = 174,018.20/x
  3. Step 3: Cross multiply
    174,018.20x = 243,100.60 × 174,018.20
  4. Step 4: Simplify right side
    174,018.20x = 42,303,928,830.92
  5. Step 5: Solve for x
    x = 42,303,928,830.92/174,018.20
  6. Step 6: Final answer
    x = 243,100.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.