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Finding the Fourth Proportional to 249,157.01, 343,717.12 and 163,078.11

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Solution

The fourth proportional to 249,157.01, 343,717.12 and 163,078.11 is: 224,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,157.01 : 343,717.12 = 163,078.11 : x
  2. Step 2: Convert to fraction form
    249,157.01/343,717.12 = 163,078.11/x
  3. Step 3: Cross multiply
    249,157.01x = 343,717.12 × 163,078.11
  4. Step 4: Simplify right side
    249,157.01x = 56,052,738,508.09
  5. Step 5: Solve for x
    x = 56,052,738,508.09/249,157.01
  6. Step 6: Final answer
    x = 224,969.54

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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.