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Finding the Fourth Proportional to 116,541.40, 174,812.10 and 69,770.20

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Solution

The fourth proportional to 116,541.40, 174,812.10 and 69,770.20 is: 104,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,541.40 : 174,812.10 = 69,770.20 : x
  2. Step 2: Convert to fraction form
    116,541.40/174,812.10 = 69,770.20/x
  3. Step 3: Cross multiply
    116,541.40x = 174,812.10 × 69,770.20
  4. Step 4: Simplify right side
    116,541.40x = 12,196,675,179.42
  5. Step 5: Solve for x
    x = 12,196,675,179.42/116,541.40
  6. Step 6: Final answer
    x = 104,655.30

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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.