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Finding the Fourth Proportional to 228,092.92, 342,117.50 and 70,279.00

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Solution

The fourth proportional to 228,092.92, 342,117.50 and 70,279.00 is: 105,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,092.92 : 342,117.50 = 70,279.00 : x
  2. Step 2: Convert to fraction form
    228,092.92/342,117.50 = 70,279.00/x
  3. Step 3: Cross multiply
    228,092.92x = 342,117.50 × 70,279.00
  4. Step 4: Simplify right side
    228,092.92x = 24,043,674,575.81
  5. Step 5: Solve for x
    x = 24,043,674,575.81/228,092.92
  6. Step 6: Final answer
    x = 105,411.75

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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.