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Finding the Fourth Proportional to 88,666.58, 122,359.83 and 56,835.46

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Solution

The fourth proportional to 88,666.58, 122,359.83 and 56,835.46 is: 78,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.58 : 122,359.83 = 56,835.46 : x
  2. Step 2: Convert to fraction form
    88,666.58/122,359.83 = 56,835.46/x
  3. Step 3: Cross multiply
    88,666.58x = 122,359.83 × 56,835.46
  4. Step 4: Simplify right side
    88,666.58x = 6,954,377,223.57
  5. Step 5: Solve for x
    x = 6,954,377,223.57/88,666.58
  6. Step 6: Final answer
    x = 78,432.90

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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.