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Finding the Fourth Proportional to 158,572.87, 237,392.74 and 105,851.59

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Solution

The fourth proportional to 158,572.87, 237,392.74 and 105,851.59 is: 158,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,572.87 : 237,392.74 = 105,851.59 : x
  2. Step 2: Convert to fraction form
    158,572.87/237,392.74 = 105,851.59/x
  3. Step 3: Cross multiply
    158,572.87x = 237,392.74 × 105,851.59
  4. Step 4: Simplify right side
    158,572.87x = 25,128,398,522.29
  5. Step 5: Solve for x
    x = 25,128,398,522.29/158,572.87
  6. Step 6: Final answer
    x = 158,465.94

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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.