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Finding the Fourth Proportional to 335,149.29, 502,565.58 and 121,768.47

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Solution

The fourth proportional to 335,149.29, 502,565.58 and 121,768.47 is: 182,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,149.29 : 502,565.58 = 121,768.47 : x
  2. Step 2: Convert to fraction form
    335,149.29/502,565.58 = 121,768.47/x
  3. Step 3: Cross multiply
    335,149.29x = 502,565.58 × 121,768.47
  4. Step 4: Simplify right side
    335,149.29x = 61,196,641,751.26
  5. Step 5: Solve for x
    x = 61,196,641,751.26/335,149.29
  6. Step 6: Final answer
    x = 182,595.17

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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.