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Finding the Fourth Proportional to 93,643.25, 140,465.01 and 38,239.25

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Solution

The fourth proportional to 93,643.25, 140,465.01 and 38,239.25 is: 57,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,643.25 : 140,465.01 = 38,239.25 : x
  2. Step 2: Convert to fraction form
    93,643.25/140,465.01 = 38,239.25/x
  3. Step 3: Cross multiply
    93,643.25x = 140,465.01 × 38,239.25
  4. Step 4: Simplify right side
    93,643.25x = 5,371,276,633.64
  5. Step 5: Solve for x
    x = 5,371,276,633.64/93,643.25
  6. Step 6: Final answer
    x = 57,358.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.