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Finding the Fourth Proportional to 180,006.40, 269,426.40 and 127,518.40

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Solution

The fourth proportional to 180,006.40, 269,426.40 and 127,518.40 is: 190,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,006.40 : 269,426.40 = 127,518.40 : x
  2. Step 2: Convert to fraction form
    180,006.40/269,426.40 = 127,518.40/x
  3. Step 3: Cross multiply
    180,006.40x = 269,426.40 × 127,518.40
  4. Step 4: Simplify right side
    180,006.40x = 34,356,823,445.76
  5. Step 5: Solve for x
    x = 34,356,823,445.76/180,006.40
  6. Step 6: Final answer
    x = 190,864.46

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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.