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Finding the Fourth Proportional to 207,084.32, 310,547.84 and 73,939.76

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Solution

The fourth proportional to 207,084.32, 310,547.84 and 73,939.76 is: 110,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,084.32 : 310,547.84 = 73,939.76 : x
  2. Step 2: Convert to fraction form
    207,084.32/310,547.84 = 73,939.76/x
  3. Step 3: Cross multiply
    207,084.32x = 310,547.84 × 73,939.76
  4. Step 4: Simplify right side
    207,084.32x = 22,961,832,758.12
  5. Step 5: Solve for x
    x = 22,961,832,758.12/207,084.32
  6. Step 6: Final answer
    x = 110,881.56

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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.