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Finding the Fourth Proportional to 207,251.40, 310,877.10 and 162,150.60

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Solution

The fourth proportional to 207,251.40, 310,877.10 and 162,150.60 is: 243,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,251.40 : 310,877.10 = 162,150.60 : x
  2. Step 2: Convert to fraction form
    207,251.40/310,877.10 = 162,150.60/x
  3. Step 3: Cross multiply
    207,251.40x = 310,877.10 × 162,150.60
  4. Step 4: Simplify right side
    207,251.40x = 50,408,908,291.26
  5. Step 5: Solve for x
    x = 50,408,908,291.26/207,251.40
  6. Step 6: Final answer
    x = 243,225.90

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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.