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Finding the Fourth Proportional to 372,803.60, 559,205.40 and 106,572.80

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Solution

The fourth proportional to 372,803.60, 559,205.40 and 106,572.80 is: 159,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,803.60 : 559,205.40 = 106,572.80 : x
  2. Step 2: Convert to fraction form
    372,803.60/559,205.40 = 106,572.80/x
  3. Step 3: Cross multiply
    372,803.60x = 559,205.40 × 106,572.80
  4. Step 4: Simplify right side
    372,803.60x = 59,596,085,253.12
  5. Step 5: Solve for x
    x = 59,596,085,253.12/372,803.60
  6. Step 6: Final answer
    x = 159,859.20

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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.