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Finding the Fourth Proportional to 180,012.30, 270,018.45 and 176,901.90

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Solution

The fourth proportional to 180,012.30, 270,018.45 and 176,901.90 is: 265,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,012.30 : 270,018.45 = 176,901.90 : x
  2. Step 2: Convert to fraction form
    180,012.30/270,018.45 = 176,901.90/x
  3. Step 3: Cross multiply
    180,012.30x = 270,018.45 × 176,901.90
  4. Step 4: Simplify right side
    180,012.30x = 47,766,776,840.06
  5. Step 5: Solve for x
    x = 47,766,776,840.06/180,012.30
  6. Step 6: Final answer
    x = 265,352.85

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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.