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Finding the Fourth Proportional to 176,607.20, 264,910.80 and 105,748.40

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Solution

The fourth proportional to 176,607.20, 264,910.80 and 105,748.40 is: 158,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,607.20 : 264,910.80 = 105,748.40 : x
  2. Step 2: Convert to fraction form
    176,607.20/264,910.80 = 105,748.40/x
  3. Step 3: Cross multiply
    176,607.20x = 264,910.80 × 105,748.40
  4. Step 4: Simplify right side
    176,607.20x = 28,013,893,242.72
  5. Step 5: Solve for x
    x = 28,013,893,242.72/176,607.20
  6. Step 6: Final answer
    x = 158,622.60

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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.