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Finding the Fourth Proportional to 93,361.95, 128,827.33 and 53,074.85

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Solution

The fourth proportional to 93,361.95, 128,827.33 and 53,074.85 is: 73,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,361.95 : 128,827.33 = 53,074.85 : x
  2. Step 2: Convert to fraction form
    93,361.95/128,827.33 = 53,074.85/x
  3. Step 3: Cross multiply
    93,361.95x = 128,827.33 × 53,074.85
  4. Step 4: Simplify right side
    93,361.95x = 6,837,490,438.83
  5. Step 5: Solve for x
    x = 6,837,490,438.83/93,361.95
  6. Step 6: Final answer
    x = 73,236.37

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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.