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Finding the Fourth Proportional to 243,056.70, 364,585.05 and 168,261.30

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Solution

The fourth proportional to 243,056.70, 364,585.05 and 168,261.30 is: 252,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,056.70 : 364,585.05 = 168,261.30 : x
  2. Step 2: Convert to fraction form
    243,056.70/364,585.05 = 168,261.30/x
  3. Step 3: Cross multiply
    243,056.70x = 364,585.05 × 168,261.30
  4. Step 4: Simplify right side
    243,056.70x = 61,345,554,473.57
  5. Step 5: Solve for x
    x = 61,345,554,473.57/243,056.70
  6. Step 6: Final answer
    x = 252,391.95

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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.