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Finding the Fourth Proportional to 178,567.16, 267,850.72 and 139,153.76

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Solution

The fourth proportional to 178,567.16, 267,850.72 and 139,153.76 is: 208,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,567.16 : 267,850.72 = 139,153.76 : x
  2. Step 2: Convert to fraction form
    178,567.16/267,850.72 = 139,153.76/x
  3. Step 3: Cross multiply
    178,567.16x = 267,850.72 × 139,153.76
  4. Step 4: Simplify right side
    178,567.16x = 37,272,434,806.71
  5. Step 5: Solve for x
    x = 37,272,434,806.71/178,567.16
  6. Step 6: Final answer
    x = 208,730.62

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1.5x scale

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.