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Finding the Fourth Proportional to 316,873.48, 475,363.08 and 117,194.32

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Solution

The fourth proportional to 316,873.48, 475,363.08 and 117,194.32 is: 175,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,873.48 : 475,363.08 = 117,194.32 : x
  2. Step 2: Convert to fraction form
    316,873.48/475,363.08 = 117,194.32/x
  3. Step 3: Cross multiply
    316,873.48x = 475,363.08 × 117,194.32
  4. Step 4: Simplify right side
    316,873.48x = 55,709,852,913.71
  5. Step 5: Solve for x
    x = 55,709,852,913.71/316,873.48
  6. Step 6: Final answer
    x = 175,811.03

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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.