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Finding the Fourth Proportional to 262,346.60, 362,030.34 and 147,631.64

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Solution

The fourth proportional to 262,346.60, 362,030.34 and 147,631.64 is: 203,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,346.60 : 362,030.34 = 147,631.64 : x
  2. Step 2: Convert to fraction form
    262,346.60/362,030.34 = 147,631.64/x
  3. Step 3: Cross multiply
    262,346.60x = 362,030.34 × 147,631.64
  4. Step 4: Simplify right side
    262,346.60x = 53,447,132,823.96
  5. Step 5: Solve for x
    x = 53,447,132,823.96/262,346.60
  6. Step 6: Final answer
    x = 203,727.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.