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Finding the Fourth Proportional to 93,280.49, 128,730.08 and 52,993.52

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Solution

The fourth proportional to 93,280.49, 128,730.08 and 52,993.52 is: 73,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,280.49 : 128,730.08 = 52,993.52 : x
  2. Step 2: Convert to fraction form
    93,280.49/128,730.08 = 52,993.52/x
  3. Step 3: Cross multiply
    93,280.49x = 128,730.08 × 52,993.52
  4. Step 4: Simplify right side
    93,280.49x = 6,821,859,557.91
  5. Step 5: Solve for x
    x = 6,821,859,557.91/93,280.49
  6. Step 6: Final answer
    x = 73,132.76

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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.