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Finding the Fourth Proportional to 171,097.20, 257,083.20 and 151,851.60

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Solution

The fourth proportional to 171,097.20, 257,083.20 and 151,851.60 is: 228,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,097.20 : 257,083.20 = 151,851.60 : x
  2. Step 2: Convert to fraction form
    171,097.20/257,083.20 = 151,851.60/x
  3. Step 3: Cross multiply
    171,097.20x = 257,083.20 × 151,851.60
  4. Step 4: Simplify right side
    171,097.20x = 39,038,495,253.12
  5. Step 5: Solve for x
    x = 39,038,495,253.12/171,097.20
  6. Step 6: Final answer
    x = 228,165.60

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1.5x scale

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.