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Finding the Fourth Proportional to 243,041.70, 364,562.55 and 168,246.30

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Solution

The fourth proportional to 243,041.70, 364,562.55 and 168,246.30 is: 252,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,041.70 : 364,562.55 = 168,246.30 : x
  2. Step 2: Convert to fraction form
    243,041.70/364,562.55 = 168,246.30/x
  3. Step 3: Cross multiply
    243,041.70x = 364,562.55 × 168,246.30
  4. Step 4: Simplify right side
    243,041.70x = 61,336,300,156.07
  5. Step 5: Solve for x
    x = 61,336,300,156.07/243,041.70
  6. Step 6: Final answer
    x = 252,369.45

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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.