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Finding the Fourth Proportional to 178,567.65, 267,851.48 and 139,154.27

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Solution

The fourth proportional to 178,567.65, 267,851.48 and 139,154.27 is: 208,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,567.65 : 267,851.48 = 139,154.27 : x
  2. Step 2: Convert to fraction form
    178,567.65/267,851.48 = 139,154.27/x
  3. Step 3: Cross multiply
    178,567.65x = 267,851.48 × 139,154.27
  4. Step 4: Simplify right side
    178,567.65x = 37,272,675,132.79
  5. Step 5: Solve for x
    x = 37,272,675,132.79/178,567.65
  6. Step 6: Final answer
    x = 208,731.40

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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.