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Finding the Fourth Proportional to 369,955.54, 554,933.58 and 89,473.06

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Solution

The fourth proportional to 369,955.54, 554,933.58 and 89,473.06 is: 134,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,955.54 : 554,933.58 = 89,473.06 : x
  2. Step 2: Convert to fraction form
    369,955.54/554,933.58 = 89,473.06/x
  3. Step 3: Cross multiply
    369,955.54x = 554,933.58 × 89,473.06
  4. Step 4: Simplify right side
    369,955.54x = 49,651,605,499.35
  5. Step 5: Solve for x
    x = 49,651,605,499.35/369,955.54
  6. Step 6: Final answer
    x = 134,209.66

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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.