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Finding the Fourth Proportional to 243,627.84, 365,462.25 and 89,795.63

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Solution

The fourth proportional to 243,627.84, 365,462.25 and 89,795.63 is: 134,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,627.84 : 365,462.25 = 89,795.63 : x
  2. Step 2: Convert to fraction form
    243,627.84/365,462.25 = 89,795.63/x
  3. Step 3: Cross multiply
    243,627.84x = 365,462.25 × 89,795.63
  4. Step 4: Simplify right side
    243,627.84x = 32,816,911,152.66
  5. Step 5: Solve for x
    x = 32,816,911,152.66/243,627.84
  6. Step 6: Final answer
    x = 134,700.99

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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.