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Finding the Fourth Proportional to 291,080.04, 436,100.63 and 157,875.33

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Solution

The fourth proportional to 291,080.04, 436,100.63 and 157,875.33 is: 236,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,080.04 : 436,100.63 = 157,875.33 : x
  2. Step 2: Convert to fraction form
    291,080.04/436,100.63 = 157,875.33/x
  3. Step 3: Cross multiply
    291,080.04x = 436,100.63 × 157,875.33
  4. Step 4: Simplify right side
    291,080.04x = 68,849,530,085.08
  5. Step 5: Solve for x
    x = 68,849,530,085.08/291,080.04
  6. Step 6: Final answer
    x = 236,531.27

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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.