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Finding the Fourth Proportional to 88,666.83, 122,360.16 and 56,835.72

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Solution

The fourth proportional to 88,666.83, 122,360.16 and 56,835.72 is: 78,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.83 : 122,360.16 = 56,835.72 : x
  2. Step 2: Convert to fraction form
    88,666.83/122,360.16 = 56,835.72/x
  3. Step 3: Cross multiply
    88,666.83x = 122,360.16 × 56,835.72
  4. Step 4: Simplify right side
    88,666.83x = 6,954,427,792.92
  5. Step 5: Solve for x
    x = 6,954,427,792.92/88,666.83
  6. Step 6: Final answer
    x = 78,433.25

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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.