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Finding the Fourth Proportional to 93,359.82, 128,835.95 and 53,073.57

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Solution

The fourth proportional to 93,359.82, 128,835.95 and 53,073.57 is: 73,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,359.82 : 128,835.95 = 53,073.57 : x
  2. Step 2: Convert to fraction form
    93,359.82/128,835.95 = 53,073.57/x
  3. Step 3: Cross multiply
    93,359.82x = 128,835.95 × 53,073.57
  4. Step 4: Simplify right side
    93,359.82x = 6,837,783,545.47
  5. Step 5: Solve for x
    x = 6,837,783,545.47/93,359.82
  6. Step 6: Final answer
    x = 73,241.18

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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.