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Finding the Fourth Proportional to 186,920.70, 258,012.06 and 148,750.26

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Solution

The fourth proportional to 186,920.70, 258,012.06 and 148,750.26 is: 205,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,920.70 : 258,012.06 = 148,750.26 : x
  2. Step 2: Convert to fraction form
    186,920.70/258,012.06 = 148,750.26/x
  3. Step 3: Cross multiply
    186,920.70x = 258,012.06 × 148,750.26
  4. Step 4: Simplify right side
    186,920.70x = 38,379,361,008.14
  5. Step 5: Solve for x
    x = 38,379,361,008.14/186,920.70
  6. Step 6: Final answer
    x = 205,324.30

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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.