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Finding the Fourth Proportional to 227,305.20, 340,925.94 and 120,642.24

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Solution

The fourth proportional to 227,305.20, 340,925.94 and 120,642.24 is: 180,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,305.20 : 340,925.94 = 120,642.24 : x
  2. Step 2: Convert to fraction form
    227,305.20/340,925.94 = 120,642.24/x
  3. Step 3: Cross multiply
    227,305.20x = 340,925.94 × 120,642.24
  4. Step 4: Simplify right side
    227,305.20x = 41,130,069,075.71
  5. Step 5: Solve for x
    x = 41,130,069,075.71/227,305.20
  6. Step 6: Final answer
    x = 180,946.45

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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.