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Finding the Fourth Proportional to 236,358, 354,338.15 and 109,934.01

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Solution

The fourth proportional to 236,358, 354,338.15 and 109,934.01 is: 164,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,358 : 354,338.15 = 109,934.01 : x
  2. Step 2: Convert to fraction form
    236,358/354,338.15 = 109,934.01/x
  3. Step 3: Cross multiply
    236,358x = 354,338.15 × 109,934.01
  4. Step 4: Simplify right side
    236,358x = 38,953,813,175.81
  5. Step 5: Solve for x
    x = 38,953,813,175.81/236,358
  6. Step 6: Final answer
    x = 164,808.52

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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.