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Finding the Fourth Proportional to 93,924.65, 129,615.71 and 50,905.40

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Solution

The fourth proportional to 93,924.65, 129,615.71 and 50,905.40 is: 70,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,924.65 : 129,615.71 = 50,905.40 : x
  2. Step 2: Convert to fraction form
    93,924.65/129,615.71 = 50,905.40/x
  3. Step 3: Cross multiply
    93,924.65x = 129,615.71 × 50,905.40
  4. Step 4: Simplify right side
    93,924.65x = 6,598,139,309.31
  5. Step 5: Solve for x
    x = 6,598,139,309.31/93,924.65
  6. Step 6: Final answer
    x = 70,249.28

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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.