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Finding the Fourth Proportional to 163,875.40, 245,813.10 and 134,326.60

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Solution

The fourth proportional to 163,875.40, 245,813.10 and 134,326.60 is: 201,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,875.40 : 245,813.10 = 134,326.60 : x
  2. Step 2: Convert to fraction form
    163,875.40/245,813.10 = 134,326.60/x
  3. Step 3: Cross multiply
    163,875.40x = 245,813.10 × 134,326.60
  4. Step 4: Simplify right side
    163,875.40x = 33,019,237,958.46
  5. Step 5: Solve for x
    x = 33,019,237,958.46/163,875.40
  6. Step 6: Final answer
    x = 201,489.90

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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.