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Finding the Fourth Proportional to 93,016.76, 128,368.36 and 50,574.36

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Solution

The fourth proportional to 93,016.76, 128,368.36 and 50,574.36 is: 69,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,016.76 : 128,368.36 = 50,574.36 : x
  2. Step 2: Convert to fraction form
    93,016.76/128,368.36 = 50,574.36/x
  3. Step 3: Cross multiply
    93,016.76x = 128,368.36 × 50,574.36
  4. Step 4: Simplify right side
    93,016.76x = 6,492,147,651.25
  5. Step 5: Solve for x
    x = 6,492,147,651.25/93,016.76
  6. Step 6: Final answer
    x = 69,795.46

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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.