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Finding the Fourth Proportional to 127,505.58, 175,954.59 and 73,783.14

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Solution

The fourth proportional to 127,505.58, 175,954.59 and 73,783.14 is: 101,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,505.58 : 175,954.59 = 73,783.14 : x
  2. Step 2: Convert to fraction form
    127,505.58/175,954.59 = 73,783.14/x
  3. Step 3: Cross multiply
    127,505.58x = 175,954.59 × 73,783.14
  4. Step 4: Simplify right side
    127,505.58x = 12,982,482,147.61
  5. Step 5: Solve for x
    x = 12,982,482,147.61/127,505.58
  6. Step 6: Final answer
    x = 101,818.93

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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.