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Finding the Fourth Proportional to 187,483.86, 258,782.04 and 106,955.28

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Solution

The fourth proportional to 187,483.86, 258,782.04 and 106,955.28 is: 147,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,483.86 : 258,782.04 = 106,955.28 : x
  2. Step 2: Convert to fraction form
    187,483.86/258,782.04 = 106,955.28/x
  3. Step 3: Cross multiply
    187,483.86x = 258,782.04 × 106,955.28
  4. Step 4: Simplify right side
    187,483.86x = 27,678,105,547.17
  5. Step 5: Solve for x
    x = 27,678,105,547.17/187,483.86
  6. Step 6: Final answer
    x = 147,629.27

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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.