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Finding the Fourth Proportional to 96,360.80, 144,519.60 and 63,312.80

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Solution

The fourth proportional to 96,360.80, 144,519.60 and 63,312.80 is: 94,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,360.80 : 144,519.60 = 63,312.80 : x
  2. Step 2: Convert to fraction form
    96,360.80/144,519.60 = 63,312.80/x
  3. Step 3: Cross multiply
    96,360.80x = 144,519.60 × 63,312.80
  4. Step 4: Simplify right side
    96,360.80x = 9,149,940,530.88
  5. Step 5: Solve for x
    x = 9,149,940,530.88/96,360.80
  6. Step 6: Final answer
    x = 94,955.01

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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.