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Finding the Fourth Proportional to 218,734.59, 301,853.66 and 118,132.59

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Solution

The fourth proportional to 218,734.59, 301,853.66 and 118,132.59 is: 163,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,734.59 : 301,853.66 = 118,132.59 : x
  2. Step 2: Convert to fraction form
    218,734.59/301,853.66 = 118,132.59/x
  3. Step 3: Cross multiply
    218,734.59x = 301,853.66 × 118,132.59
  4. Step 4: Simplify right side
    218,734.59x = 35,658,754,066.12
  5. Step 5: Solve for x
    x = 35,658,754,066.12/218,734.59
  6. Step 6: Final answer
    x = 163,022.93

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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.