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Finding the Fourth Proportional to 93,151.67, 128,634.71 and 59,171.11

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Solution

The fourth proportional to 93,151.67, 128,634.71 and 59,171.11 is: 81,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,151.67 : 128,634.71 = 59,171.11 : x
  2. Step 2: Convert to fraction form
    93,151.67/128,634.71 = 59,171.11/x
  3. Step 3: Cross multiply
    93,151.67x = 128,634.71 × 59,171.11
  4. Step 4: Simplify right side
    93,151.67x = 7,611,457,636.20
  5. Step 5: Solve for x
    x = 7,611,457,636.20/93,151.67
  6. Step 6: Final answer
    x = 81,710.37

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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.