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Finding the Fourth Proportional to 94,148.64, 129,927.80 and 51,709.92

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Solution

The fourth proportional to 94,148.64, 129,927.80 and 51,709.92 is: 71,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,148.64 : 129,927.80 = 51,709.92 : x
  2. Step 2: Convert to fraction form
    94,148.64/129,927.80 = 51,709.92/x
  3. Step 3: Cross multiply
    94,148.64x = 129,927.80 × 51,709.92
  4. Step 4: Simplify right side
    94,148.64x = 6,718,555,885.23
  5. Step 5: Solve for x
    x = 6,718,555,885.23/94,148.64
  6. Step 6: Final answer
    x = 71,361.16

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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.