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Finding the Fourth Proportional to 185,483.91, 255,973.59 and 104,909.86

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Solution

The fourth proportional to 185,483.91, 255,973.59 and 104,909.86 is: 144,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,483.91 : 255,973.59 = 104,909.86 : x
  2. Step 2: Convert to fraction form
    185,483.91/255,973.59 = 104,909.86/x
  3. Step 3: Cross multiply
    185,483.91x = 255,973.59 × 104,909.86
  4. Step 4: Simplify right side
    185,483.91x = 26,854,153,490.60
  5. Step 5: Solve for x
    x = 26,854,153,490.60/185,483.91
  6. Step 6: Final answer
    x = 144,778.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.