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Finding the Fourth Proportional to 158,152,073.40, 236,829,978.90 and 104,006,230.20

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Solution

The fourth proportional to 158,152,073.40, 236,829,978.90 and 104,006,230.20 is: 155,747,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,152,073.40 : 236,829,978.90 = 104,006,230.20 : x
  2. Step 2: Convert to fraction form
    158,152,073.40/236,829,978.90 = 104,006,230.20/x
  3. Step 3: Cross multiply
    158,152,073.40x = 236,829,978.90 × 104,006,230.20
  4. Step 4: Simplify right side
    158,152,073.40x = 24,631,793,303,734,544
  5. Step 5: Solve for x
    x = 24,631,793,303,734,544/158,152,073.40
  6. Step 6: Final answer
    x = 155,747,520.56

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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.