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Finding the Fourth Proportional to 171,937,114.40, 257,905,671.60 and 110,715,111.20

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Solution

The fourth proportional to 171,937,114.40, 257,905,671.60 and 110,715,111.20 is: 166,072,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,937,114.40 : 257,905,671.60 = 110,715,111.20 : x
  2. Step 2: Convert to fraction form
    171,937,114.40/257,905,671.60 = 110,715,111.20/x
  3. Step 3: Cross multiply
    171,937,114.40x = 257,905,671.60 × 110,715,111.20
  4. Step 4: Simplify right side
    171,937,114.40x = 28,554,055,110,304,684
  5. Step 5: Solve for x
    x = 28,554,055,110,304,684/171,937,114.40
  6. Step 6: Final answer
    x = 166,072,666.80

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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.