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Finding the Fourth Proportional to 372,646.70, 558,970.22 and 119,927.16

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Solution

The fourth proportional to 372,646.70, 558,970.22 and 119,927.16 is: 179,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,646.70 : 558,970.22 = 119,927.16 : x
  2. Step 2: Convert to fraction form
    372,646.70/558,970.22 = 119,927.16/x
  3. Step 3: Cross multiply
    372,646.70x = 558,970.22 × 119,927.16
  4. Step 4: Simplify right side
    372,646.70x = 67,035,711,308.99
  5. Step 5: Solve for x
    x = 67,035,711,308.99/372,646.70
  6. Step 6: Final answer
    x = 179,890.80

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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.