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Finding the Fourth Proportional to 157,498,438.90, 236,247,658.35 and 157,498,438.90

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Solution

The fourth proportional to 157,498,438.90, 236,247,658.35 and 157,498,438.90 is: 236,247,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,498,438.90 : 236,247,658.35 = 157,498,438.90 : x
  2. Step 2: Convert to fraction form
    157,498,438.90/236,247,658.35 = 157,498,438.90/x
  3. Step 3: Cross multiply
    157,498,438.90x = 236,247,658.35 × 157,498,438.90
  4. Step 4: Simplify right side
    157,498,438.90x = 37,208,637,383,905,552
  5. Step 5: Solve for x
    x = 37,208,637,383,905,552/157,498,438.90
  6. Step 6: Final answer
    x = 236,247,658.35

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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.