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Finding the Fourth Proportional to 101,607.40, 152,509.47 and 49,053.76

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Solution

The fourth proportional to 101,607.40, 152,509.47 and 49,053.76 is: 73,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,607.40 : 152,509.47 = 49,053.76 : x
  2. Step 2: Convert to fraction form
    101,607.40/152,509.47 = 49,053.76/x
  3. Step 3: Cross multiply
    101,607.40x = 152,509.47 × 49,053.76
  4. Step 4: Simplify right side
    101,607.40x = 7,481,162,939.11
  5. Step 5: Solve for x
    x = 7,481,162,939.11/101,607.40
  6. Step 6: Final answer
    x = 73,628.13

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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.