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Finding the Fourth Proportional to 291,875.40, 402,782.58 and 164,550.96

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Solution

The fourth proportional to 291,875.40, 402,782.58 and 164,550.96 is: 227,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,875.40 : 402,782.58 = 164,550.96 : x
  2. Step 2: Convert to fraction form
    291,875.40/402,782.58 = 164,550.96/x
  3. Step 3: Cross multiply
    291,875.40x = 402,782.58 × 164,550.96
  4. Step 4: Simplify right side
    291,875.40x = 66,278,260,210.28
  5. Step 5: Solve for x
    x = 66,278,260,210.28/291,875.40
  6. Step 6: Final answer
    x = 227,077.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.