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Finding the Fourth Proportional to 291,827.39, 437,754.51 and 89,409.00

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Solution

The fourth proportional to 291,827.39, 437,754.51 and 89,409.00 is: 134,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,827.39 : 437,754.51 = 89,409.00 : x
  2. Step 2: Convert to fraction form
    291,827.39/437,754.51 = 89,409.00/x
  3. Step 3: Cross multiply
    291,827.39x = 437,754.51 × 89,409.00
  4. Step 4: Simplify right side
    291,827.39x = 39,139,194,387.77
  5. Step 5: Solve for x
    x = 39,139,194,387.77/291,827.39
  6. Step 6: Final answer
    x = 134,117.62

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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.