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Finding the Fourth Proportional to 273,867.81, 377,930.59 and 153,010.00

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Solution

The fourth proportional to 273,867.81, 377,930.59 and 153,010.00 is: 211,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,867.81 : 377,930.59 = 153,010.00 : x
  2. Step 2: Convert to fraction form
    273,867.81/377,930.59 = 153,010.00/x
  3. Step 3: Cross multiply
    273,867.81x = 377,930.59 × 153,010.00
  4. Step 4: Simplify right side
    273,867.81x = 57,827,160,526.47
  5. Step 5: Solve for x
    x = 57,827,160,526.47/273,867.81
  6. Step 6: Final answer
    x = 211,149.90

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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.