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Finding the Fourth Proportional to 230,088.40, 344,927.40 and 89,814.40

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Solution

The fourth proportional to 230,088.40, 344,927.40 and 89,814.40 is: 134,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,088.40 : 344,927.40 = 89,814.40 : x
  2. Step 2: Convert to fraction form
    230,088.40/344,927.40 = 89,814.40/x
  3. Step 3: Cross multiply
    230,088.40x = 344,927.40 × 89,814.40
  4. Step 4: Simplify right side
    230,088.40x = 30,979,447,474.56
  5. Step 5: Solve for x
    x = 30,979,447,474.56/230,088.40
  6. Step 6: Final answer
    x = 134,641.50

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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.