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Finding the Fourth Proportional to 93,698.56, 129,303.62 and 50,678.10

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Solution

The fourth proportional to 93,698.56, 129,303.62 and 50,678.10 is: 69,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,698.56 : 129,303.62 = 50,678.10 : x
  2. Step 2: Convert to fraction form
    93,698.56/129,303.62 = 50,678.10/x
  3. Step 3: Cross multiply
    93,698.56x = 129,303.62 × 50,678.10
  4. Step 4: Simplify right side
    93,698.56x = 6,552,861,784.72
  5. Step 5: Solve for x
    x = 6,552,861,784.72/93,698.56
  6. Step 6: Final answer
    x = 69,935.57

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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.