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Finding the Fourth Proportional to 186,032.48, 256,721.20 and 101,148.80

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Solution

The fourth proportional to 186,032.48, 256,721.20 and 101,148.80 is: 139,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,032.48 : 256,721.20 = 101,148.80 : x
  2. Step 2: Convert to fraction form
    186,032.48/256,721.20 = 101,148.80/x
  3. Step 3: Cross multiply
    186,032.48x = 256,721.20 × 101,148.80
  4. Step 4: Simplify right side
    186,032.48x = 25,967,041,314.56
  5. Step 5: Solve for x
    x = 25,967,041,314.56/186,032.48
  6. Step 6: Final answer
    x = 139,583.37

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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.