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Finding the Fourth Proportional to 238,637.80, 358,734.30 and 168,999.40

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Solution

The fourth proportional to 238,637.80, 358,734.30 and 168,999.40 is: 254,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,637.80 : 358,734.30 = 168,999.40 : x
  2. Step 2: Convert to fraction form
    238,637.80/358,734.30 = 168,999.40/x
  3. Step 3: Cross multiply
    238,637.80x = 358,734.30 × 168,999.40
  4. Step 4: Simplify right side
    238,637.80x = 60,625,881,459.42
  5. Step 5: Solve for x
    x = 60,625,881,459.42/238,637.80
  6. Step 6: Final answer
    x = 254,049.78

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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.