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Finding the Fourth Proportional to 228,462.50, 342,710.22 and 70,670.72

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Solution

The fourth proportional to 228,462.50, 342,710.22 and 70,670.72 is: 106,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,462.50 : 342,710.22 = 70,670.72 : x
  2. Step 2: Convert to fraction form
    228,462.50/342,710.22 = 70,670.72/x
  3. Step 3: Cross multiply
    228,462.50x = 342,710.22 × 70,670.72
  4. Step 4: Simplify right side
    228,462.50x = 24,219,577,998.76
  5. Step 5: Solve for x
    x = 24,219,577,998.76/228,462.50
  6. Step 6: Final answer
    x = 106,011.17

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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.