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Finding the Fourth Proportional to 180,259.16, 270,417.90 and 75,088.76

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Solution

The fourth proportional to 180,259.16, 270,417.90 and 75,088.76 is: 112,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,259.16 : 270,417.90 = 75,088.76 : x
  2. Step 2: Convert to fraction form
    180,259.16/270,417.90 = 75,088.76/x
  3. Step 3: Cross multiply
    180,259.16x = 270,417.90 × 75,088.76
  4. Step 4: Simplify right side
    180,259.16x = 20,305,344,792.80
  5. Step 5: Solve for x
    x = 20,305,344,792.80/180,259.16
  6. Step 6: Final answer
    x = 112,645.29

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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.