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Finding the Fourth Proportional to 207,030.06, 310,610.70 and 73,907.38

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Solution

The fourth proportional to 207,030.06, 310,610.70 and 73,907.38 is: 110,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,030.06 : 310,610.70 = 73,907.38 : x
  2. Step 2: Convert to fraction form
    207,030.06/310,610.70 = 73,907.38/x
  3. Step 3: Cross multiply
    207,030.06x = 310,610.70 × 73,907.38
  4. Step 4: Simplify right side
    207,030.06x = 22,956,423,036.97
  5. Step 5: Solve for x
    x = 22,956,423,036.97/207,030.06
  6. Step 6: Final answer
    x = 110,884.49

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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.