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Finding the Fourth Proportional to 170,009.64, 255,014.63 and 63,391.96

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Solution

The fourth proportional to 170,009.64, 255,014.63 and 63,391.96 is: 95,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,009.64 : 255,014.63 = 63,391.96 : x
  2. Step 2: Convert to fraction form
    170,009.64/255,014.63 = 63,391.96/x
  3. Step 3: Cross multiply
    170,009.64x = 255,014.63 × 63,391.96
  4. Step 4: Simplify right side
    170,009.64x = 16,165,877,942.06
  5. Step 5: Solve for x
    x = 16,165,877,942.06/170,009.64
  6. Step 6: Final answer
    x = 95,088.01

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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.