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Finding the Fourth Proportional to 186,017.89, 256,706.49 and 101,136.76

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Solution

The fourth proportional to 186,017.89, 256,706.49 and 101,136.76 is: 139,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,017.89 : 256,706.49 = 101,136.76 : x
  2. Step 2: Convert to fraction form
    186,017.89/256,706.49 = 101,136.76/x
  3. Step 3: Cross multiply
    186,017.89x = 256,706.49 × 101,136.76
  4. Step 4: Simplify right side
    186,017.89x = 25,962,462,669.57
  5. Step 5: Solve for x
    x = 25,962,462,669.57/186,017.89
  6. Step 6: Final answer
    x = 139,569.71

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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.