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Finding the Fourth Proportional to 243,467.04, 365,239.80 and 74,987.32

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Solution

The fourth proportional to 243,467.04, 365,239.80 and 74,987.32 is: 112,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,467.04 : 365,239.80 = 74,987.32 : x
  2. Step 2: Convert to fraction form
    243,467.04/365,239.80 = 74,987.32/x
  3. Step 3: Cross multiply
    243,467.04x = 365,239.80 × 74,987.32
  4. Step 4: Simplify right side
    243,467.04x = 27,388,353,759.34
  5. Step 5: Solve for x
    x = 27,388,353,759.34/243,467.04
  6. Step 6: Final answer
    x = 112,493.07

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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.