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Finding the Fourth Proportional to 191,878.88, 264,798.32 and 107,001.41

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Solution

The fourth proportional to 191,878.88, 264,798.32 and 107,001.41 is: 147,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,878.88 : 264,798.32 = 107,001.41 : x
  2. Step 2: Convert to fraction form
    191,878.88/264,798.32 = 107,001.41/x
  3. Step 3: Cross multiply
    191,878.88x = 264,798.32 × 107,001.41
  4. Step 4: Simplify right side
    191,878.88x = 28,333,791,746.63
  5. Step 5: Solve for x
    x = 28,333,791,746.63/191,878.88
  6. Step 6: Final answer
    x = 147,664.99

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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.