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Finding the Fourth Proportional to 93,230.84, 128,667.86 and 56,930.29

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Solution

The fourth proportional to 93,230.84, 128,667.86 and 56,930.29 is: 78,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.84 : 128,667.86 = 56,930.29 : x
  2. Step 2: Convert to fraction form
    93,230.84/128,667.86 = 56,930.29/x
  3. Step 3: Cross multiply
    93,230.84x = 128,667.86 × 56,930.29
  4. Step 4: Simplify right side
    93,230.84x = 7,325,097,655.49
  5. Step 5: Solve for x
    x = 7,325,097,655.49/93,230.84
  6. Step 6: Final answer
    x = 78,569.47

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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.