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Finding the Fourth Proportional to 186,395.60, 279,360.24 and 146,796.32

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Solution

The fourth proportional to 186,395.60, 279,360.24 and 146,796.32 is: 220,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,395.60 : 279,360.24 = 146,796.32 : x
  2. Step 2: Convert to fraction form
    186,395.60/279,360.24 = 146,796.32/x
  3. Step 3: Cross multiply
    186,395.60x = 279,360.24 × 146,796.32
  4. Step 4: Simplify right side
    186,395.60x = 41,009,055,186.32
  5. Step 5: Solve for x
    x = 41,009,055,186.32/186,395.60
  6. Step 6: Final answer
    x = 220,010.85

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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.