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Finding the Fourth Proportional to 243,512.17, 365,267.04 and 66,018.90

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Solution

The fourth proportional to 243,512.17, 365,267.04 and 66,018.90 is: 99,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,512.17 : 365,267.04 = 66,018.90 : x
  2. Step 2: Convert to fraction form
    243,512.17/365,267.04 = 66,018.90/x
  3. Step 3: Cross multiply
    243,512.17x = 365,267.04 × 66,018.90
  4. Step 4: Simplify right side
    243,512.17x = 24,114,528,187.06
  5. Step 5: Solve for x
    x = 24,114,528,187.06/243,512.17
  6. Step 6: Final answer
    x = 99,028.02

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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.