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Finding the Fourth Proportional to 93,571.25, 129,151.51 and 53,308.94

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Solution

The fourth proportional to 93,571.25, 129,151.51 and 53,308.94 is: 73,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,571.25 : 129,151.51 = 53,308.94 : x
  2. Step 2: Convert to fraction form
    93,571.25/129,151.51 = 53,308.94/x
  3. Step 3: Cross multiply
    93,571.25x = 129,151.51 × 53,308.94
  4. Step 4: Simplify right side
    93,571.25x = 6,884,929,318.47
  5. Step 5: Solve for x
    x = 6,884,929,318.47/93,571.25
  6. Step 6: Final answer
    x = 73,579.54

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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.