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Finding the Fourth Proportional to 163,677.60, 245,360.16 and 93,421.44

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Solution

The fourth proportional to 163,677.60, 245,360.16 and 93,421.44 is: 140,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,677.60 : 245,360.16 = 93,421.44 : x
  2. Step 2: Convert to fraction form
    163,677.60/245,360.16 = 93,421.44/x
  3. Step 3: Cross multiply
    163,677.60x = 245,360.16 × 93,421.44
  4. Step 4: Simplify right side
    163,677.60x = 22,921,899,465.83
  5. Step 5: Solve for x
    x = 22,921,899,465.83/163,677.60
  6. Step 6: Final answer
    x = 140,042.98

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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.