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Finding the Fourth Proportional to 250,637.96, 375,950.72 and 73,146.50

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Solution

The fourth proportional to 250,637.96, 375,950.72 and 73,146.50 is: 109,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,637.96 : 375,950.72 = 73,146.50 : x
  2. Step 2: Convert to fraction form
    250,637.96/375,950.72 = 73,146.50/x
  3. Step 3: Cross multiply
    250,637.96x = 375,950.72 × 73,146.50
  4. Step 4: Simplify right side
    250,637.96x = 27,499,480,463.22
  5. Step 5: Solve for x
    x = 27,499,480,463.22/250,637.96
  6. Step 6: Final answer
    x = 109,717.94

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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.