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Finding the Fourth Proportional to 207,377.28, 310,567.62 and 118,360.92

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Solution

The fourth proportional to 207,377.28, 310,567.62 and 118,360.92 is: 177,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,377.28 : 310,567.62 = 118,360.92 : x
  2. Step 2: Convert to fraction form
    207,377.28/310,567.62 = 118,360.92/x
  3. Step 3: Cross multiply
    207,377.28x = 310,567.62 × 118,360.92
  4. Step 4: Simplify right side
    207,377.28x = 36,759,069,225.41
  5. Step 5: Solve for x
    x = 36,759,069,225.41/207,377.28
  6. Step 6: Final answer
    x = 177,256.97

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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.