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Finding the Fourth Proportional to 371,248.51, 556,882.37 and 118,528.78

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Solution

The fourth proportional to 371,248.51, 556,882.37 and 118,528.78 is: 177,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,248.51 : 556,882.37 = 118,528.78 : x
  2. Step 2: Convert to fraction form
    371,248.51/556,882.37 = 118,528.78/x
  3. Step 3: Cross multiply
    371,248.51x = 556,882.37 × 118,528.78
  4. Step 4: Simplify right side
    371,248.51x = 66,006,587,919.61
  5. Step 5: Solve for x
    x = 66,006,587,919.61/371,248.51
  6. Step 6: Final answer
    x = 177,796.24

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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.