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Finding the Fourth Proportional to 166,590.40, 249,943.20 and 160,830.40

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Solution

The fourth proportional to 166,590.40, 249,943.20 and 160,830.40 is: 241,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,590.40 : 249,943.20 = 160,830.40 : x
  2. Step 2: Convert to fraction form
    166,590.40/249,943.20 = 160,830.40/x
  3. Step 3: Cross multiply
    166,590.40x = 249,943.20 × 160,830.40
  4. Step 4: Simplify right side
    166,590.40x = 40,198,464,833.28
  5. Step 5: Solve for x
    x = 40,198,464,833.28/166,590.40
  6. Step 6: Final answer
    x = 241,301.21

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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.