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Finding the Fourth Proportional to 93,004.54, 128,298.95 and 60,758.03

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Solution

The fourth proportional to 93,004.54, 128,298.95 and 60,758.03 is: 83,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,004.54 : 128,298.95 = 60,758.03 : x
  2. Step 2: Convert to fraction form
    93,004.54/128,298.95 = 60,758.03/x
  3. Step 3: Cross multiply
    93,004.54x = 128,298.95 × 60,758.03
  4. Step 4: Simplify right side
    93,004.54x = 7,795,191,621.92
  5. Step 5: Solve for x
    x = 7,795,191,621.92/93,004.54
  6. Step 6: Final answer
    x = 83,815.18

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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.