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Finding the Fourth Proportional to 108,873.30, 163,329.06 and 49,714.95

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Solution

The fourth proportional to 108,873.30, 163,329.06 and 49,714.95 is: 74,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873.30 : 163,329.06 = 49,714.95 : x
  2. Step 2: Convert to fraction form
    108,873.30/163,329.06 = 49,714.95/x
  3. Step 3: Cross multiply
    108,873.30x = 163,329.06 × 49,714.95
  4. Step 4: Simplify right side
    108,873.30x = 8,119,896,051.45
  5. Step 5: Solve for x
    x = 8,119,896,051.45/108,873.30
  6. Step 6: Final answer
    x = 74,581.15

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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.