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Finding the Fourth Proportional to 272,898.72, 376,597.76 and 152,037.81

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Solution

The fourth proportional to 272,898.72, 376,597.76 and 152,037.81 is: 209,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,898.72 : 376,597.76 = 152,037.81 : x
  2. Step 2: Convert to fraction form
    272,898.72/376,597.76 = 152,037.81/x
  3. Step 3: Cross multiply
    272,898.72x = 376,597.76 × 152,037.81
  4. Step 4: Simplify right side
    272,898.72x = 57,257,097,921.12
  5. Step 5: Solve for x
    x = 57,257,097,921.12/272,898.72
  6. Step 6: Final answer
    x = 209,810.80

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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.