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Finding the Fourth Proportional to 88,533, 122,175.54 and 48,789

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Solution

The fourth proportional to 88,533, 122,175.54 and 48,789 is: 67,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,533 : 122,175.54 = 48,789 : x
  2. Step 2: Convert to fraction form
    88,533/122,175.54 = 48,789/x
  3. Step 3: Cross multiply
    88,533x = 122,175.54 × 48,789
  4. Step 4: Simplify right side
    88,533x = 5,960,822,421.06
  5. Step 5: Solve for x
    x = 5,960,822,421.06/88,533
  6. Step 6: Final answer
    x = 67,328.82

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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.