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Finding the Fourth Proportional to 157,594.60, 236,391.90 and 143,079.40

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Solution

The fourth proportional to 157,594.60, 236,391.90 and 143,079.40 is: 214,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,594.60 : 236,391.90 = 143,079.40 : x
  2. Step 2: Convert to fraction form
    157,594.60/236,391.90 = 143,079.40/x
  3. Step 3: Cross multiply
    157,594.60x = 236,391.90 × 143,079.40
  4. Step 4: Simplify right side
    157,594.60x = 33,822,811,216.86
  5. Step 5: Solve for x
    x = 33,822,811,216.86/157,594.60
  6. Step 6: Final answer
    x = 214,619.10

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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.