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Finding the Fourth Proportional to 369,960.54, 554,941.08 and 89,478.06

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Solution

The fourth proportional to 369,960.54, 554,941.08 and 89,478.06 is: 134,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,960.54 : 554,941.08 = 89,478.06 : x
  2. Step 2: Convert to fraction form
    369,960.54/554,941.08 = 89,478.06/x
  3. Step 3: Cross multiply
    369,960.54x = 554,941.08 × 89,478.06
  4. Step 4: Simplify right side
    369,960.54x = 49,655,051,252.70
  5. Step 5: Solve for x
    x = 49,655,051,252.70/369,960.54
  6. Step 6: Final answer
    x = 134,217.16

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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.