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Finding the Fourth Proportional to 218,130.60, 301,169.34 and 167,053.08

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Solution

The fourth proportional to 218,130.60, 301,169.34 and 167,053.08 is: 230,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,130.60 : 301,169.34 = 167,053.08 : x
  2. Step 2: Convert to fraction form
    218,130.60/301,169.34 = 167,053.08/x
  3. Step 3: Cross multiply
    218,130.60x = 301,169.34 × 167,053.08
  4. Step 4: Simplify right side
    218,130.60x = 50,311,265,848.57
  5. Step 5: Solve for x
    x = 50,311,265,848.57/218,130.60
  6. Step 6: Final answer
    x = 230,647.45

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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.