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Finding the Fourth Proportional to 88,488.78, 122,109.54 and 50,763.06

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Solution

The fourth proportional to 88,488.78, 122,109.54 and 50,763.06 is: 70,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,488.78 : 122,109.54 = 50,763.06 : x
  2. Step 2: Convert to fraction form
    88,488.78/122,109.54 = 50,763.06/x
  3. Step 3: Cross multiply
    88,488.78x = 122,109.54 × 50,763.06
  4. Step 4: Simplify right side
    88,488.78x = 6,198,653,905.59
  5. Step 5: Solve for x
    x = 6,198,653,905.59/88,488.78
  6. Step 6: Final answer
    x = 70,050.17

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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.