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Finding the Fourth Proportional to 154,607.00, 231,907.22 and 42,287.22

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Solution

The fourth proportional to 154,607.00, 231,907.22 and 42,287.22 is: 63,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,607.00 : 231,907.22 = 42,287.22 : x
  2. Step 2: Convert to fraction form
    154,607.00/231,907.22 = 42,287.22/x
  3. Step 3: Cross multiply
    154,607.00x = 231,907.22 × 42,287.22
  4. Step 4: Simplify right side
    154,607.00x = 9,806,711,420.29
  5. Step 5: Solve for x
    x = 9,806,711,420.29/154,607.00
  6. Step 6: Final answer
    x = 63,429.93

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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.