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Finding the Fourth Proportional to 176,722.60, 265,083.90 and 120,735.40

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Solution

The fourth proportional to 176,722.60, 265,083.90 and 120,735.40 is: 181,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,722.60 : 265,083.90 = 120,735.40 : x
  2. Step 2: Convert to fraction form
    176,722.60/265,083.90 = 120,735.40/x
  3. Step 3: Cross multiply
    176,722.60x = 265,083.90 × 120,735.40
  4. Step 4: Simplify right side
    176,722.60x = 32,005,010,700.06
  5. Step 5: Solve for x
    x = 32,005,010,700.06/176,722.60
  6. Step 6: Final answer
    x = 181,103.10

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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.