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Finding the Fourth Proportional to 272,659.02, 376,172.06 and 157,875.01

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Solution

The fourth proportional to 272,659.02, 376,172.06 and 157,875.01 is: 217,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,659.02 : 376,172.06 = 157,875.01 : x
  2. Step 2: Convert to fraction form
    272,659.02/376,172.06 = 157,875.01/x
  3. Step 3: Cross multiply
    272,659.02x = 376,172.06 × 157,875.01
  4. Step 4: Simplify right side
    272,659.02x = 59,388,167,734.22
  5. Step 5: Solve for x
    x = 59,388,167,734.22/272,659.02
  6. Step 6: Final answer
    x = 217,811.12

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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.