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Finding the Fourth Proportional to 164,031.40, 246,047.10 and 53,223.40

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Solution

The fourth proportional to 164,031.40, 246,047.10 and 53,223.40 is: 79,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,031.40 : 246,047.10 = 53,223.40 : x
  2. Step 2: Convert to fraction form
    164,031.40/246,047.10 = 53,223.40/x
  3. Step 3: Cross multiply
    164,031.40x = 246,047.10 × 53,223.40
  4. Step 4: Simplify right side
    164,031.40x = 13,095,463,222.14
  5. Step 5: Solve for x
    x = 13,095,463,222.14/164,031.40
  6. Step 6: Final answer
    x = 79,835.10

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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.