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Finding the Fourth Proportional to 186,200.10, 279,300.15 and 61,541.10

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Solution

The fourth proportional to 186,200.10, 279,300.15 and 61,541.10 is: 92,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,200.10 : 279,300.15 = 61,541.10 : x
  2. Step 2: Convert to fraction form
    186,200.10/279,300.15 = 61,541.10/x
  3. Step 3: Cross multiply
    186,200.10x = 279,300.15 × 61,541.10
  4. Step 4: Simplify right side
    186,200.10x = 17,188,438,461.17
  5. Step 5: Solve for x
    x = 17,188,438,461.17/186,200.10
  6. Step 6: Final answer
    x = 92,311.65

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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.