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Finding the Fourth Proportional to 96,271.64, 144,210.90 and 56,709.08

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Solution

The fourth proportional to 96,271.64, 144,210.90 and 56,709.08 is: 84,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,271.64 : 144,210.90 = 56,709.08 : x
  2. Step 2: Convert to fraction form
    96,271.64/144,210.90 = 56,709.08/x
  3. Step 3: Cross multiply
    96,271.64x = 144,210.90 × 56,709.08
  4. Step 4: Simplify right side
    96,271.64x = 8,178,067,464.97
  5. Step 5: Solve for x
    x = 8,178,067,464.97/96,271.64
  6. Step 6: Final answer
    x = 84,947.84

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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.