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Finding the Fourth Proportional to 93,344.39, 128,824.98 and 57,533.48

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Solution

The fourth proportional to 93,344.39, 128,824.98 and 57,533.48 is: 79,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,344.39 : 128,824.98 = 57,533.48 : x
  2. Step 2: Convert to fraction form
    93,344.39/128,824.98 = 57,533.48/x
  3. Step 3: Cross multiply
    93,344.39x = 128,824.98 × 57,533.48
  4. Step 4: Simplify right side
    93,344.39x = 7,411,749,410.33
  5. Step 5: Solve for x
    x = 7,411,749,410.33/93,344.39
  6. Step 6: Final answer
    x = 79,402.19

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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.