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Finding the Fourth Proportional to 161,751.20, 242,626.80 and 154,925.60

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Solution

The fourth proportional to 161,751.20, 242,626.80 and 154,925.60 is: 232,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,751.20 : 242,626.80 = 154,925.60 : x
  2. Step 2: Convert to fraction form
    161,751.20/242,626.80 = 154,925.60/x
  3. Step 3: Cross multiply
    161,751.20x = 242,626.80 × 154,925.60
  4. Step 4: Simplify right side
    161,751.20x = 37,589,102,566.08
  5. Step 5: Solve for x
    x = 37,589,102,566.08/161,751.20
  6. Step 6: Final answer
    x = 232,388.40

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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.