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Finding the Fourth Proportional to 79,654.56, 109,905.66 and 46,101.12

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Solution

The fourth proportional to 79,654.56, 109,905.66 and 46,101.12 is: 63,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,654.56 : 109,905.66 = 46,101.12 : x
  2. Step 2: Convert to fraction form
    79,654.56/109,905.66 = 46,101.12/x
  3. Step 3: Cross multiply
    79,654.56x = 109,905.66 × 46,101.12
  4. Step 4: Simplify right side
    79,654.56x = 5,066,774,020.34
  5. Step 5: Solve for x
    x = 5,066,774,020.34/79,654.56
  6. Step 6: Final answer
    x = 63,609.34

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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.