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Finding the Fourth Proportional to 230,066.65, 345,603.12 and 163,931.77

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Solution

The fourth proportional to 230,066.65, 345,603.12 and 163,931.77 is: 246,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,066.65 : 345,603.12 = 163,931.77 : x
  2. Step 2: Convert to fraction form
    230,066.65/345,603.12 = 163,931.77/x
  3. Step 3: Cross multiply
    230,066.65x = 345,603.12 × 163,931.77
  4. Step 4: Simplify right side
    230,066.65x = 56,655,331,179.12
  5. Step 5: Solve for x
    x = 56,655,331,179.12/230,066.65
  6. Step 6: Final answer
    x = 246,256.17

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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.