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Finding the Fourth Proportional to 226,362.04, 312,398.22 and 145,956.94

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Solution

The fourth proportional to 226,362.04, 312,398.22 and 145,956.94 is: 201,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,362.04 : 312,398.22 = 145,956.94 : x
  2. Step 2: Convert to fraction form
    226,362.04/312,398.22 = 145,956.94/x
  3. Step 3: Cross multiply
    226,362.04x = 312,398.22 × 145,956.94
  4. Step 4: Simplify right side
    226,362.04x = 45,596,688,252.65
  5. Step 5: Solve for x
    x = 45,596,688,252.65/226,362.04
  6. Step 6: Final answer
    x = 201,432.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.