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Finding the Fourth Proportional to 101,549.52, 152,360.73 and 45,384.93

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Solution

The fourth proportional to 101,549.52, 152,360.73 and 45,384.93 is: 68,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,549.52 : 152,360.73 = 45,384.93 : x
  2. Step 2: Convert to fraction form
    101,549.52/152,360.73 = 45,384.93/x
  3. Step 3: Cross multiply
    101,549.52x = 152,360.73 × 45,384.93
  4. Step 4: Simplify right side
    101,549.52x = 6,914,881,065.80
  5. Step 5: Solve for x
    x = 6,914,881,065.80/101,549.52
  6. Step 6: Final answer
    x = 68,093.69

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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.