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Finding the Fourth Proportional to 191,246.34, 286,908.39 and 66,597.06

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Solution

The fourth proportional to 191,246.34, 286,908.39 and 66,597.06 is: 99,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,246.34 : 286,908.39 = 66,597.06 : x
  2. Step 2: Convert to fraction form
    191,246.34/286,908.39 = 66,597.06/x
  3. Step 3: Cross multiply
    191,246.34x = 286,908.39 × 66,597.06
  4. Step 4: Simplify right side
    191,246.34x = 19,107,255,263.33
  5. Step 5: Solve for x
    x = 19,107,255,263.33/191,246.34
  6. Step 6: Final answer
    x = 99,909.13

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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.