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Finding the Fourth Proportional to 178,019.60, 267,029.40 and 171,798.80

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Solution

The fourth proportional to 178,019.60, 267,029.40 and 171,798.80 is: 257,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019.60 : 267,029.40 = 171,798.80 : x
  2. Step 2: Convert to fraction form
    178,019.60/267,029.40 = 171,798.80/x
  3. Step 3: Cross multiply
    178,019.60x = 267,029.40 × 171,798.80
  4. Step 4: Simplify right side
    178,019.60x = 45,875,330,484.72
  5. Step 5: Solve for x
    x = 45,875,330,484.72/178,019.60
  6. Step 6: Final answer
    x = 257,698.20

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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.