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Finding the Fourth Proportional to 235,752.60, 325,448.22 and 138,925.98

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Solution

The fourth proportional to 235,752.60, 325,448.22 and 138,925.98 is: 191,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,752.60 : 325,448.22 = 138,925.98 : x
  2. Step 2: Convert to fraction form
    235,752.60/325,448.22 = 138,925.98/x
  3. Step 3: Cross multiply
    235,752.60x = 325,448.22 × 138,925.98
  4. Step 4: Simplify right side
    235,752.60x = 45,213,212,902.76
  5. Step 5: Solve for x
    x = 45,213,212,902.76/235,752.60
  6. Step 6: Final answer
    x = 191,782.46

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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.