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Finding the Fourth Proportional to 158,154.32, 218,343.20 and 104,594.69

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Solution

The fourth proportional to 158,154.32, 218,343.20 and 104,594.69 is: 144,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,154.32 : 218,343.20 = 104,594.69 : x
  2. Step 2: Convert to fraction form
    158,154.32/218,343.20 = 104,594.69/x
  3. Step 3: Cross multiply
    158,154.32x = 218,343.20 × 104,594.69
  4. Step 4: Simplify right side
    158,154.32x = 22,837,539,340.49
  5. Step 5: Solve for x
    x = 22,837,539,340.49/158,154.32
  6. Step 6: Final answer
    x = 144,400.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.