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Finding the Fourth Proportional to 176,031.20, 264,046.80 and 87,250.40

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Solution

The fourth proportional to 176,031.20, 264,046.80 and 87,250.40 is: 130,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,031.20 : 264,046.80 = 87,250.40 : x
  2. Step 2: Convert to fraction form
    176,031.20/264,046.80 = 87,250.40/x
  3. Step 3: Cross multiply
    176,031.20x = 264,046.80 × 87,250.40
  4. Step 4: Simplify right side
    176,031.20x = 23,038,188,918.72
  5. Step 5: Solve for x
    x = 23,038,188,918.72/176,031.20
  6. Step 6: Final answer
    x = 130,875.60

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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.