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Finding the Fourth Proportional to 114,866,809.02, 158,574,731.94 and 88,702,590.78

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Solution

The fourth proportional to 114,866,809.02, 158,574,731.94 and 88,702,590.78 is: 122,454,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,866,809.02 : 158,574,731.94 = 88,702,590.78 : x
  2. Step 2: Convert to fraction form
    114,866,809.02/158,574,731.94 = 88,702,590.78/x
  3. Step 3: Cross multiply
    114,866,809.02x = 158,574,731.94 × 88,702,590.78
  4. Step 4: Simplify right side
    114,866,809.02x = 14,065,989,555,322,016
  5. Step 5: Solve for x
    x = 14,065,989,555,322,016/114,866,809.02
  6. Step 6: Final answer
    x = 122,454,777.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.