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Finding the Fourth Proportional to 93,661.60, 129,246.40 and 51,219.24

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Solution

The fourth proportional to 93,661.60, 129,246.40 and 51,219.24 is: 70,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,661.60 : 129,246.40 = 51,219.24 : x
  2. Step 2: Convert to fraction form
    93,661.60/129,246.40 = 51,219.24/x
  3. Step 3: Cross multiply
    93,661.60x = 129,246.40 × 51,219.24
  4. Step 4: Simplify right side
    93,661.60x = 6,619,902,380.74
  5. Step 5: Solve for x
    x = 6,619,902,380.74/93,661.60
  6. Step 6: Final answer
    x = 70,678.94

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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.