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Finding the Fourth Proportional to 288,632.35, 432,995.91 and 88,952.77

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Solution

The fourth proportional to 288,632.35, 432,995.91 and 88,952.77 is: 133,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,632.35 : 432,995.91 = 88,952.77 : x
  2. Step 2: Convert to fraction form
    288,632.35/432,995.91 = 88,952.77/x
  3. Step 3: Cross multiply
    288,632.35x = 432,995.91 × 88,952.77
  4. Step 4: Simplify right side
    288,632.35x = 38,516,185,593.17
  5. Step 5: Solve for x
    x = 38,516,185,593.17/288,632.35
  6. Step 6: Final answer
    x = 133,443.76

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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.