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Finding the Fourth Proportional to 218,316.84, 301,166.99 and 127,613.54

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Solution

The fourth proportional to 218,316.84, 301,166.99 and 127,613.54 is: 176,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,316.84 : 301,166.99 = 127,613.54 : x
  2. Step 2: Convert to fraction form
    218,316.84/301,166.99 = 127,613.54/x
  3. Step 3: Cross multiply
    218,316.84x = 301,166.99 × 127,613.54
  4. Step 4: Simplify right side
    218,316.84x = 38,432,986,318.45
  5. Step 5: Solve for x
    x = 38,432,986,318.45/218,316.84
  6. Step 6: Final answer
    x = 176,042.25

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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.