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Finding the Fourth Proportional to 291,152.44, 436,582.86 and 91,470.16

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Solution

The fourth proportional to 291,152.44, 436,582.86 and 91,470.16 is: 137,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,152.44 : 436,582.86 = 91,470.16 : x
  2. Step 2: Convert to fraction form
    291,152.44/436,582.86 = 91,470.16/x
  3. Step 3: Cross multiply
    291,152.44x = 436,582.86 × 91,470.16
  4. Step 4: Simplify right side
    291,152.44x = 39,934,304,057.46
  5. Step 5: Solve for x
    x = 39,934,304,057.46/291,152.44
  6. Step 6: Final answer
    x = 137,159.43

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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.