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Finding the Fourth Proportional to 656,671.53, 985,007.48 and 158,035.53

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Solution

The fourth proportional to 656,671.53, 985,007.48 and 158,035.53 is: 237,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,671.53 : 985,007.48 = 158,035.53 : x
  2. Step 2: Convert to fraction form
    656,671.53/985,007.48 = 158,035.53/x
  3. Step 3: Cross multiply
    656,671.53x = 985,007.48 × 158,035.53
  4. Step 4: Simplify right side
    656,671.53x = 155,666,179,155.76
  5. Step 5: Solve for x
    x = 155,666,179,155.76/656,671.53
  6. Step 6: Final answer
    x = 237,053.34

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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.