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Finding the Fourth Proportional to 295,554.80, 443,389.80 and 118,031.60

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Solution

The fourth proportional to 295,554.80, 443,389.80 and 118,031.60 is: 177,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,554.80 : 443,389.80 = 118,031.60 : x
  2. Step 2: Convert to fraction form
    295,554.80/443,389.80 = 118,031.60/x
  3. Step 3: Cross multiply
    295,554.80x = 443,389.80 × 118,031.60
  4. Step 4: Simplify right side
    295,554.80x = 52,334,007,517.68
  5. Step 5: Solve for x
    x = 52,334,007,517.68/295,554.80
  6. Step 6: Final answer
    x = 177,070.40

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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.