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Finding the Fourth Proportional to 111,283.80, 153,486.88 and 95,787.80

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Solution

The fourth proportional to 111,283.80, 153,486.88 and 95,787.80 is: 132,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,283.80 : 153,486.88 = 95,787.80 : x
  2. Step 2: Convert to fraction form
    111,283.80/153,486.88 = 95,787.80/x
  3. Step 3: Cross multiply
    111,283.80x = 153,486.88 × 95,787.80
  4. Step 4: Simplify right side
    111,283.80x = 14,702,170,564.06
  5. Step 5: Solve for x
    x = 14,702,170,564.06/111,283.80
  6. Step 6: Final answer
    x = 132,114.20

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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.