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Finding the Fourth Proportional to 174,689.90, 262,034.85 and 155,336.30

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Solution

The fourth proportional to 174,689.90, 262,034.85 and 155,336.30 is: 233,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,689.90 : 262,034.85 = 155,336.30 : x
  2. Step 2: Convert to fraction form
    174,689.90/262,034.85 = 155,336.30/x
  3. Step 3: Cross multiply
    174,689.90x = 262,034.85 × 155,336.30
  4. Step 4: Simplify right side
    174,689.90x = 40,703,524,070.06
  5. Step 5: Solve for x
    x = 40,703,524,070.06/174,689.90
  6. Step 6: Final answer
    x = 233,004.45

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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.