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Finding the Fourth Proportional to 163,930.60, 245,435.10 and 159,322.60

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Solution

The fourth proportional to 163,930.60, 245,435.10 and 159,322.60 is: 238,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,930.60 : 245,435.10 = 159,322.60 : x
  2. Step 2: Convert to fraction form
    163,930.60/245,435.10 = 159,322.60/x
  3. Step 3: Cross multiply
    163,930.60x = 245,435.10 × 159,322.60
  4. Step 4: Simplify right side
    163,930.60x = 39,103,358,263.26
  5. Step 5: Solve for x
    x = 39,103,358,263.26/163,930.60
  6. Step 6: Final answer
    x = 238,536.05

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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.