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Finding the Fourth Proportional to 186,442.16, 279,555.24 and 127,349.24

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Solution

The fourth proportional to 186,442.16, 279,555.24 and 127,349.24 is: 190,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,442.16 : 279,555.24 = 127,349.24 : x
  2. Step 2: Convert to fraction form
    186,442.16/279,555.24 = 127,349.24/x
  3. Step 3: Cross multiply
    186,442.16x = 279,555.24 × 127,349.24
  4. Step 4: Simplify right side
    186,442.16x = 35,601,147,352.02
  5. Step 5: Solve for x
    x = 35,601,147,352.02/186,442.16
  6. Step 6: Final answer
    x = 190,950.09

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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.