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Finding the Fourth Proportional to 122,303.70, 183,455.55 and 88,953.30

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Solution

The fourth proportional to 122,303.70, 183,455.55 and 88,953.30 is: 133,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,303.70 : 183,455.55 = 88,953.30 : x
  2. Step 2: Convert to fraction form
    122,303.70/183,455.55 = 88,953.30/x
  3. Step 3: Cross multiply
    122,303.70x = 183,455.55 × 88,953.30
  4. Step 4: Simplify right side
    122,303.70x = 16,318,976,575.82
  5. Step 5: Solve for x
    x = 16,318,976,575.82/122,303.70
  6. Step 6: Final answer
    x = 133,429.95

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1.5x scale

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.