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Finding the Fourth Proportional to 295,802.55, 443,383.88 and 118,114.20

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Solution

The fourth proportional to 295,802.55, 443,383.88 and 118,114.20 is: 177,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,802.55 : 443,383.88 = 118,114.20 : x
  2. Step 2: Convert to fraction form
    295,802.55/443,383.88 = 118,114.20/x
  3. Step 3: Cross multiply
    295,802.55x = 443,383.88 × 118,114.20
  4. Step 4: Simplify right side
    295,802.55x = 52,369,931,688.53
  5. Step 5: Solve for x
    x = 52,369,931,688.53/295,802.55
  6. Step 6: Final answer
    x = 177,043.54

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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.