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Finding the Fourth Proportional to 109,312.96, 163,852.96 and 62,467.52

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Solution

The fourth proportional to 109,312.96, 163,852.96 and 62,467.52 is: 93,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,312.96 : 163,852.96 = 62,467.52 : x
  2. Step 2: Convert to fraction form
    109,312.96/163,852.96 = 62,467.52/x
  3. Step 3: Cross multiply
    109,312.96x = 163,852.96 × 62,467.52
  4. Step 4: Simplify right side
    109,312.96x = 10,235,488,055.86
  5. Step 5: Solve for x
    x = 10,235,488,055.86/109,312.96
  6. Step 6: Final answer
    x = 93,634.72

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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.