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Finding the Fourth Proportional to 374,903.60, 562,428.30 and 108,672.80

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Solution

The fourth proportional to 374,903.60, 562,428.30 and 108,672.80 is: 163,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,903.60 : 562,428.30 = 108,672.80 : x
  2. Step 2: Convert to fraction form
    374,903.60/562,428.30 = 108,672.80/x
  3. Step 3: Cross multiply
    374,903.60x = 562,428.30 × 108,672.80
  4. Step 4: Simplify right side
    374,903.60x = 61,120,658,160.24
  5. Step 5: Solve for x
    x = 61,120,658,160.24/374,903.60
  6. Step 6: Final answer
    x = 163,030.33

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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.