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Finding the Fourth Proportional to 116,567.30, 174,850.95 and 103,445.30

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Solution

The fourth proportional to 116,567.30, 174,850.95 and 103,445.30 is: 155,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,567.30 : 174,850.95 = 103,445.30 : x
  2. Step 2: Convert to fraction form
    116,567.30/174,850.95 = 103,445.30/x
  3. Step 3: Cross multiply
    116,567.30x = 174,850.95 × 103,445.30
  4. Step 4: Simplify right side
    116,567.30x = 18,087,508,978.04
  5. Step 5: Solve for x
    x = 18,087,508,978.04/116,567.30
  6. Step 6: Final answer
    x = 155,167.95

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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.