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Finding the Fourth Proportional to 186,915.62, 257,780.75 and 114,263.48

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Solution

The fourth proportional to 186,915.62, 257,780.75 and 114,263.48 is: 157,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,915.62 : 257,780.75 = 114,263.48 : x
  2. Step 2: Convert to fraction form
    186,915.62/257,780.75 = 114,263.48/x
  3. Step 3: Cross multiply
    186,915.62x = 257,780.75 × 114,263.48
  4. Step 4: Simplify right side
    186,915.62x = 29,454,925,645.14
  5. Step 5: Solve for x
    x = 29,454,925,645.14/186,915.62
  6. Step 6: Final answer
    x = 157,584.08

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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.