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Finding the Fourth Proportional to 176,000.60, 263,655.30 and 120,013.40

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Solution

The fourth proportional to 176,000.60, 263,655.30 and 120,013.40 is: 179,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,000.60 : 263,655.30 = 120,013.40 : x
  2. Step 2: Convert to fraction form
    176,000.60/263,655.30 = 120,013.40/x
  3. Step 3: Cross multiply
    176,000.60x = 263,655.30 × 120,013.40
  4. Step 4: Simplify right side
    176,000.60x = 31,642,168,981.02
  5. Step 5: Solve for x
    x = 31,642,168,981.02/176,000.60
  6. Step 6: Final answer
    x = 179,784.44

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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.