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Finding the Fourth Proportional to 109,281,955.58, 163,904,978.01 and 39,237,684.26

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Solution

The fourth proportional to 109,281,955.58, 163,904,978.01 and 39,237,684.26 is: 58,850,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,281,955.58 : 163,904,978.01 = 39,237,684.26 : x
  2. Step 2: Convert to fraction form
    109,281,955.58/163,904,978.01 = 39,237,684.26/x
  3. Step 3: Cross multiply
    109,281,955.58x = 163,904,978.01 × 39,237,684.26
  4. Step 4: Simplify right side
    109,281,955.58x = 6,431,251,775,126,239
  5. Step 5: Solve for x
    x = 6,431,251,775,126,239/109,281,955.58
  6. Step 6: Final answer
    x = 58,850,079.51

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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.