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Finding the Fourth Proportional to 165,572.59, 228,509.63 and 92,987.41

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Solution

The fourth proportional to 165,572.59, 228,509.63 and 92,987.41 is: 128,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,572.59 : 228,509.63 = 92,987.41 : x
  2. Step 2: Convert to fraction form
    165,572.59/228,509.63 = 92,987.41/x
  3. Step 3: Cross multiply
    165,572.59x = 228,509.63 × 92,987.41
  4. Step 4: Simplify right side
    165,572.59x = 21,248,518,653.76
  5. Step 5: Solve for x
    x = 21,248,518,653.76/165,572.59
  6. Step 6: Final answer
    x = 128,333.55

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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.