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Finding the Fourth Proportional to 656,702.28, 985,053.69 and 158,066.28

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Solution

The fourth proportional to 656,702.28, 985,053.69 and 158,066.28 is: 237,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,702.28 : 985,053.69 = 158,066.28 : x
  2. Step 2: Convert to fraction form
    656,702.28/985,053.69 = 158,066.28/x
  3. Step 3: Cross multiply
    656,702.28x = 985,053.69 × 158,066.28
  4. Step 4: Simplify right side
    656,702.28x = 155,703,772,378.57
  5. Step 5: Solve for x
    x = 155,703,772,378.57/656,702.28
  6. Step 6: Final answer
    x = 237,099.48

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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.