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Finding the Fourth Proportional to 97,760.50, 134,909.49 and 53,048.50

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Solution

The fourth proportional to 97,760.50, 134,909.49 and 53,048.50 is: 73,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,760.50 : 134,909.49 = 53,048.50 : x
  2. Step 2: Convert to fraction form
    97,760.50/134,909.49 = 53,048.50/x
  3. Step 3: Cross multiply
    97,760.50x = 134,909.49 × 53,048.50
  4. Step 4: Simplify right side
    97,760.50x = 7,156,746,080.27
  5. Step 5: Solve for x
    x = 7,156,746,080.27/97,760.50
  6. Step 6: Final answer
    x = 73,206.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.