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Finding the Fourth Proportional to 168,547.32, 252,664.74 and 63,435.96

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Solution

The fourth proportional to 168,547.32, 252,664.74 and 63,435.96 is: 95,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,547.32 : 252,664.74 = 63,435.96 : x
  2. Step 2: Convert to fraction form
    168,547.32/252,664.74 = 63,435.96/x
  3. Step 3: Cross multiply
    168,547.32x = 252,664.74 × 63,435.96
  4. Step 4: Simplify right side
    168,547.32x = 16,028,030,340.05
  5. Step 5: Solve for x
    x = 16,028,030,340.05/168,547.32
  6. Step 6: Final answer
    x = 95,095.14

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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.