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Finding the Fourth Proportional to 191,594.97, 264,421.85 and 105,562.79

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Solution

The fourth proportional to 191,594.97, 264,421.85 and 105,562.79 is: 145,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,594.97 : 264,421.85 = 105,562.79 : x
  2. Step 2: Convert to fraction form
    191,594.97/264,421.85 = 105,562.79/x
  3. Step 3: Cross multiply
    191,594.97x = 264,421.85 × 105,562.79
  4. Step 4: Simplify right side
    191,594.97x = 27,913,106,373.04
  5. Step 5: Solve for x
    x = 27,913,106,373.04/191,594.97
  6. Step 6: Final answer
    x = 145,688.10

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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.