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Finding the Fourth Proportional to 316,975.67, 475,492.81 and 114,622.28

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Solution

The fourth proportional to 316,975.67, 475,492.81 and 114,622.28 is: 171,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,975.67 : 475,492.81 = 114,622.28 : x
  2. Step 2: Convert to fraction form
    316,975.67/475,492.81 = 114,622.28/x
  3. Step 3: Cross multiply
    316,975.67x = 475,492.81 × 114,622.28
  4. Step 4: Simplify right side
    316,975.67x = 54,502,070,005.81
  5. Step 5: Solve for x
    x = 54,502,070,005.81/316,975.67
  6. Step 6: Final answer
    x = 171,944.02

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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.