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Finding the Fourth Proportional to 176,101.70, 264,217.35 and 70,931.30

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Solution

The fourth proportional to 176,101.70, 264,217.35 and 70,931.30 is: 106,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,101.70 : 264,217.35 = 70,931.30 : x
  2. Step 2: Convert to fraction form
    176,101.70/264,217.35 = 70,931.30/x
  3. Step 3: Cross multiply
    176,101.70x = 264,217.35 × 70,931.30
  4. Step 4: Simplify right side
    176,101.70x = 18,741,280,118.06
  5. Step 5: Solve for x
    x = 18,741,280,118.06/176,101.70
  6. Step 6: Final answer
    x = 106,423.05

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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.