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Finding the Fourth Proportional to 197,354.40, 296,031.60 and 117,520.80

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Solution

The fourth proportional to 197,354.40, 296,031.60 and 117,520.80 is: 176,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,354.40 : 296,031.60 = 117,520.80 : x
  2. Step 2: Convert to fraction form
    197,354.40/296,031.60 = 117,520.80/x
  3. Step 3: Cross multiply
    197,354.40x = 296,031.60 × 117,520.80
  4. Step 4: Simplify right side
    197,354.40x = 34,789,870,457.28
  5. Step 5: Solve for x
    x = 34,789,870,457.28/197,354.40
  6. Step 6: Final answer
    x = 176,281.20

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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.