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Finding the Fourth Proportional to 160,503.93, 240,218.71 and 158,379.81

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Solution

The fourth proportional to 160,503.93, 240,218.71 and 158,379.81 is: 237,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,503.93 : 240,218.71 = 158,379.81 : x
  2. Step 2: Convert to fraction form
    160,503.93/240,218.71 = 158,379.81/x
  3. Step 3: Cross multiply
    160,503.93x = 240,218.71 × 158,379.81
  4. Step 4: Simplify right side
    160,503.93x = 38,045,793,242.36
  5. Step 5: Solve for x
    x = 38,045,793,242.36/160,503.93
  6. Step 6: Final answer
    x = 237,039.64

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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.