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Finding the Fourth Proportional to 317,752.08, 476,627.71 and 81,094.77

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Solution

The fourth proportional to 317,752.08, 476,627.71 and 81,094.77 is: 121,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,752.08 : 476,627.71 = 81,094.77 : x
  2. Step 2: Convert to fraction form
    317,752.08/476,627.71 = 81,094.77/x
  3. Step 3: Cross multiply
    317,752.08x = 476,627.71 × 81,094.77
  4. Step 4: Simplify right side
    317,752.08x = 38,652,014,518.08
  5. Step 5: Solve for x
    x = 38,652,014,518.08/317,752.08
  6. Step 6: Final answer
    x = 121,642.05

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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.