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Finding the Fourth Proportional to 176,221.80, 264,332.70 and 163,391.40

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Solution

The fourth proportional to 176,221.80, 264,332.70 and 163,391.40 is: 245,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,221.80 : 264,332.70 = 163,391.40 : x
  2. Step 2: Convert to fraction form
    176,221.80/264,332.70 = 163,391.40/x
  3. Step 3: Cross multiply
    176,221.80x = 264,332.70 × 163,391.40
  4. Step 4: Simplify right side
    176,221.80x = 43,189,689,918.78
  5. Step 5: Solve for x
    x = 43,189,689,918.78/176,221.80
  6. Step 6: Final answer
    x = 245,087.10

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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.