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Finding the Fourth Proportional to 174,807.48, 262,133.46 and 133,128.12

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Solution

The fourth proportional to 174,807.48, 262,133.46 and 133,128.12 is: 199,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,807.48 : 262,133.46 = 133,128.12 : x
  2. Step 2: Convert to fraction form
    174,807.48/262,133.46 = 133,128.12/x
  3. Step 3: Cross multiply
    174,807.48x = 262,133.46 × 133,128.12
  4. Step 4: Simplify right side
    174,807.48x = 34,897,334,718.90
  5. Step 5: Solve for x
    x = 34,897,334,718.90/174,807.48
  6. Step 6: Final answer
    x = 199,632.96

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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.