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Finding the Fourth Proportional to 230,588.71, 345,988.15 and 118,347.74

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Solution

The fourth proportional to 230,588.71, 345,988.15 and 118,347.74 is: 177,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,588.71 : 345,988.15 = 118,347.74 : x
  2. Step 2: Convert to fraction form
    230,588.71/345,988.15 = 118,347.74/x
  3. Step 3: Cross multiply
    230,588.71x = 345,988.15 × 118,347.74
  4. Step 4: Simplify right side
    230,588.71x = 40,946,916,196.87
  5. Step 5: Solve for x
    x = 40,946,916,196.87/230,588.71
  6. Step 6: Final answer
    x = 177,575.55

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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.