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Finding the Fourth Proportional to 174,221.60, 260,943.60 and 143,117.60

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Solution

The fourth proportional to 174,221.60, 260,943.60 and 143,117.60 is: 214,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,221.60 : 260,943.60 = 143,117.60 : x
  2. Step 2: Convert to fraction form
    174,221.60/260,943.60 = 143,117.60/x
  3. Step 3: Cross multiply
    174,221.60x = 260,943.60 × 143,117.60
  4. Step 4: Simplify right side
    174,221.60x = 37,345,621,767.36
  5. Step 5: Solve for x
    x = 37,345,621,767.36/174,221.60
  6. Step 6: Final answer
    x = 214,357.01

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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.