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Finding the Fourth Proportional to 369,960.56, 554,941.08 and 89,478.08

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Solution

The fourth proportional to 369,960.56, 554,941.08 and 89,478.08 is: 134,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,960.56 : 554,941.08 = 89,478.08 : x
  2. Step 2: Convert to fraction form
    369,960.56/554,941.08 = 89,478.08/x
  3. Step 3: Cross multiply
    369,960.56x = 554,941.08 × 89,478.08
  4. Step 4: Simplify right side
    369,960.56x = 49,655,062,351.53
  5. Step 5: Solve for x
    x = 49,655,062,351.53/369,960.56
  6. Step 6: Final answer
    x = 134,217.18

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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.