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Finding the Fourth Proportional to 272,579.60, 376,159.80 and 151,718.27

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Solution

The fourth proportional to 272,579.60, 376,159.80 and 151,718.27 is: 209,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,579.60 : 376,159.80 = 151,718.27 : x
  2. Step 2: Convert to fraction form
    272,579.60/376,159.80 = 151,718.27/x
  3. Step 3: Cross multiply
    272,579.60x = 376,159.80 × 151,718.27
  4. Step 4: Simplify right side
    272,579.60x = 57,070,312,218.75
  5. Step 5: Solve for x
    x = 57,070,312,218.75/272,579.60
  6. Step 6: Final answer
    x = 209,371.18

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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.