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Finding the Fourth Proportional to 94,088.68, 129,843.30 and 51,068.56

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Solution

The fourth proportional to 94,088.68, 129,843.30 and 51,068.56 is: 70,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,088.68 : 129,843.30 = 51,068.56 : x
  2. Step 2: Convert to fraction form
    94,088.68/129,843.30 = 51,068.56/x
  3. Step 3: Cross multiply
    94,088.68x = 129,843.30 × 51,068.56
  4. Step 4: Simplify right side
    94,088.68x = 6,630,910,356.65
  5. Step 5: Solve for x
    x = 6,630,910,356.65/94,088.68
  6. Step 6: Final answer
    x = 70,475.11

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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.