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Finding the Fourth Proportional to 249,793.58, 374,038.18 and 164,135.11

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Solution

The fourth proportional to 249,793.58, 374,038.18 and 164,135.11 is: 245,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,793.58 : 374,038.18 = 164,135.11 : x
  2. Step 2: Convert to fraction form
    249,793.58/374,038.18 = 164,135.11/x
  3. Step 3: Cross multiply
    249,793.58x = 374,038.18 × 164,135.11
  4. Step 4: Simplify right side
    249,793.58x = 61,392,797,818.50
  5. Step 5: Solve for x
    x = 61,392,797,818.50/249,793.58
  6. Step 6: Final answer
    x = 245,774.12

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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.