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Finding the Fourth Proportional to 243,246.90, 364,870.34 and 110,124.21

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Solution

The fourth proportional to 243,246.90, 364,870.34 and 110,124.21 is: 165,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,246.90 : 364,870.34 = 110,124.21 : x
  2. Step 2: Convert to fraction form
    243,246.90/364,870.34 = 110,124.21/x
  3. Step 3: Cross multiply
    243,246.90x = 364,870.34 × 110,124.21
  4. Step 4: Simplify right side
    243,246.90x = 40,181,057,394.31
  5. Step 5: Solve for x
    x = 40,181,057,394.31/243,246.90
  6. Step 6: Final answer
    x = 165,186.31

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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.