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Finding the Fourth Proportional to 152,254.65, 228,250.74 and 73,260.21

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Solution

The fourth proportional to 152,254.65, 228,250.74 and 73,260.21 is: 109,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,254.65 : 228,250.74 = 73,260.21 : x
  2. Step 2: Convert to fraction form
    152,254.65/228,250.74 = 73,260.21/x
  3. Step 3: Cross multiply
    152,254.65x = 228,250.74 × 73,260.21
  4. Step 4: Simplify right side
    152,254.65x = 16,721,697,145.06
  5. Step 5: Solve for x
    x = 16,721,697,145.06/152,254.65
  6. Step 6: Final answer
    x = 109,827.17

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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.