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Finding the Fourth Proportional to 265,000, 365,700 and 151,888.36

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Solution

The fourth proportional to 265,000, 365,700 and 151,888.36 is: 209,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,000 : 365,700 = 151,888.36 : x
  2. Step 2: Convert to fraction form
    265,000/365,700 = 151,888.36/x
  3. Step 3: Cross multiply
    265,000x = 365,700 × 151,888.36
  4. Step 4: Simplify right side
    265,000x = 55,545,573,252.00
  5. Step 5: Solve for x
    x = 55,545,573,252.00/265,000
  6. Step 6: Final answer
    x = 209,605.94

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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.