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Finding the Fourth Proportional to 207,039.09, 310,624.26 and 73,916.40

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Solution

The fourth proportional to 207,039.09, 310,624.26 and 73,916.40 is: 110,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,039.09 : 310,624.26 = 73,916.40 : x
  2. Step 2: Convert to fraction form
    207,039.09/310,624.26 = 73,916.40/x
  3. Step 3: Cross multiply
    207,039.09x = 310,624.26 × 73,916.40
  4. Step 4: Simplify right side
    207,039.09x = 22,960,227,051.86
  5. Step 5: Solve for x
    x = 22,960,227,051.86/207,039.09
  6. Step 6: Final answer
    x = 110,898.03

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1.5x scale

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.