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Finding the Fourth Proportional to 295,677.60, 443,386.80 and 118,125.60

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Solution

The fourth proportional to 295,677.60, 443,386.80 and 118,125.60 is: 177,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,677.60 : 443,386.80 = 118,125.60 : x
  2. Step 2: Convert to fraction form
    295,677.60/443,386.80 = 118,125.60/x
  3. Step 3: Cross multiply
    295,677.60x = 443,386.80 × 118,125.60
  4. Step 4: Simplify right side
    295,677.60x = 52,375,331,782.08
  5. Step 5: Solve for x
    x = 52,375,331,782.08/295,677.60
  6. Step 6: Final answer
    x = 177,136.62

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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.