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Finding the Fourth Proportional to 191,606.98, 264,417.70 and 111,081.17

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Solution

The fourth proportional to 191,606.98, 264,417.70 and 111,081.17 is: 153,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,606.98 : 264,417.70 = 111,081.17 : x
  2. Step 2: Convert to fraction form
    191,606.98/264,417.70 = 111,081.17/x
  3. Step 3: Cross multiply
    191,606.98x = 264,417.70 × 111,081.17
  4. Step 4: Simplify right side
    191,606.98x = 29,371,827,484.71
  5. Step 5: Solve for x
    x = 29,371,827,484.71/191,606.98
  6. Step 6: Final answer
    x = 153,292.06

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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.