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Finding the Fourth Proportional to 153,591.19, 230,425.66 and 42,783.19

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Solution

The fourth proportional to 153,591.19, 230,425.66 and 42,783.19 is: 64,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,591.19 : 230,425.66 = 42,783.19 : x
  2. Step 2: Convert to fraction form
    153,591.19/230,425.66 = 42,783.19/x
  3. Step 3: Cross multiply
    153,591.19x = 230,425.66 × 42,783.19
  4. Step 4: Simplify right side
    153,591.19x = 9,858,344,270.07
  5. Step 5: Solve for x
    x = 9,858,344,270.07/153,591.19
  6. Step 6: Final answer
    x = 64,185.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.