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Finding the Fourth Proportional to 125,693.93, 188,536.10 and 30,924.42

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Solution

The fourth proportional to 125,693.93, 188,536.10 and 30,924.42 is: 46,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,693.93 : 188,536.10 = 30,924.42 : x
  2. Step 2: Convert to fraction form
    125,693.93/188,536.10 = 30,924.42/x
  3. Step 3: Cross multiply
    125,693.93x = 188,536.10 × 30,924.42
  4. Step 4: Simplify right side
    125,693.93x = 5,830,369,386.94
  5. Step 5: Solve for x
    x = 5,830,369,386.94/125,693.93
  6. Step 6: Final answer
    x = 46,385.45

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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.