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Finding the Fourth Proportional to 157,213,498.60, 235,820,247.90 and 157,213,498.60

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Solution

The fourth proportional to 157,213,498.60, 235,820,247.90 and 157,213,498.60 is: 235,820,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,213,498.60 : 235,820,247.90 = 157,213,498.60 : x
  2. Step 2: Convert to fraction form
    157,213,498.60/235,820,247.90 = 157,213,498.60/x
  3. Step 3: Cross multiply
    157,213,498.60x = 235,820,247.90 × 157,213,498.60
  4. Step 4: Simplify right side
    157,213,498.60x = 37,074,126,213,078,304
  5. Step 5: Solve for x
    x = 37,074,126,213,078,304/157,213,498.60
  6. Step 6: Final answer
    x = 235,820,247.90

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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.