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Finding the Fourth Proportional to 190,472.67, 262,838.10 and 104,417.88

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Solution

The fourth proportional to 190,472.67, 262,838.10 and 104,417.88 is: 144,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,472.67 : 262,838.10 = 104,417.88 : x
  2. Step 2: Convert to fraction form
    190,472.67/262,838.10 = 104,417.88/x
  3. Step 3: Cross multiply
    190,472.67x = 262,838.10 × 104,417.88
  4. Step 4: Simplify right side
    190,472.67x = 27,444,997,185.23
  5. Step 5: Solve for x
    x = 27,444,997,185.23/190,472.67
  6. Step 6: Final answer
    x = 144,088.90

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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.