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Finding the Fourth Proportional to 169,950,223.20, 254,925,334.80 and 89,160,693.60

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Solution

The fourth proportional to 169,950,223.20, 254,925,334.80 and 89,160,693.60 is: 133,741,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,950,223.20 : 254,925,334.80 = 89,160,693.60 : x
  2. Step 2: Convert to fraction form
    169,950,223.20/254,925,334.80 = 89,160,693.60/x
  3. Step 3: Cross multiply
    169,950,223.20x = 254,925,334.80 × 89,160,693.60
  4. Step 4: Simplify right side
    169,950,223.20x = 22,729,319,666,980,216
  5. Step 5: Solve for x
    x = 22,729,319,666,980,216/169,950,223.20
  6. Step 6: Final answer
    x = 133,741,040.40

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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.