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Finding the Fourth Proportional to 191,701.83, 264,547.35 and 104,486.84

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Solution

The fourth proportional to 191,701.83, 264,547.35 and 104,486.84 is: 144,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,701.83 : 264,547.35 = 104,486.84 : x
  2. Step 2: Convert to fraction form
    191,701.83/264,547.35 = 104,486.84/x
  3. Step 3: Cross multiply
    191,701.83x = 264,547.35 × 104,486.84
  4. Step 4: Simplify right side
    191,701.83x = 27,641,714,786.70
  5. Step 5: Solve for x
    x = 27,641,714,786.70/191,701.83
  6. Step 6: Final answer
    x = 144,191.19

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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.