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Finding the Fourth Proportional to 64,124.80, 96,182.64 and 19,746.93

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Solution

The fourth proportional to 64,124.80, 96,182.64 and 19,746.93 is: 29,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,124.80 : 96,182.64 = 19,746.93 : x
  2. Step 2: Convert to fraction form
    64,124.80/96,182.64 = 19,746.93/x
  3. Step 3: Cross multiply
    64,124.80x = 96,182.64 × 19,746.93
  4. Step 4: Simplify right side
    64,124.80x = 1,899,311,859.30
  5. Step 5: Solve for x
    x = 1,899,311,859.30/64,124.80
  6. Step 6: Final answer
    x = 29,618.99

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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.