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Finding the Fourth Proportional to 93,583.46, 129,146.04 and 51,142.88

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Solution

The fourth proportional to 93,583.46, 129,146.04 and 51,142.88 is: 70,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.46 : 129,146.04 = 51,142.88 : x
  2. Step 2: Convert to fraction form
    93,583.46/129,146.04 = 51,142.88/x
  3. Step 3: Cross multiply
    93,583.46x = 129,146.04 × 51,142.88
  4. Step 4: Simplify right side
    93,583.46x = 6,604,900,426.20
  5. Step 5: Solve for x
    x = 6,604,900,426.20/93,583.46
  6. Step 6: Final answer
    x = 70,577.65

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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.