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Finding the Fourth Proportional to 249,305, 343,866.31 and 168,697.04

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Solution

The fourth proportional to 249,305, 343,866.31 and 168,697.04 is: 232,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,305 : 343,866.31 = 168,697.04 : x
  2. Step 2: Convert to fraction form
    249,305/343,866.31 = 168,697.04/x
  3. Step 3: Cross multiply
    249,305x = 343,866.31 × 168,697.04
  4. Step 4: Simplify right side
    249,305x = 58,009,228,652.72
  5. Step 5: Solve for x
    x = 58,009,228,652.72/249,305
  6. Step 6: Final answer
    x = 232,683.78

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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.