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Finding the Fourth Proportional to 243,486.90, 365,057.55 and 93,669.30

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Solution

The fourth proportional to 243,486.90, 365,057.55 and 93,669.30 is: 140,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,486.90 : 365,057.55 = 93,669.30 : x
  2. Step 2: Convert to fraction form
    243,486.90/365,057.55 = 93,669.30/x
  3. Step 3: Cross multiply
    243,486.90x = 365,057.55 × 93,669.30
  4. Step 4: Simplify right side
    243,486.90x = 34,194,685,168.22
  5. Step 5: Solve for x
    x = 34,194,685,168.22/243,486.90
  6. Step 6: Final answer
    x = 140,437.47

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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.