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Finding the Fourth Proportional to 158,061.85, 218,059.14 and 103,627.06

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Solution

The fourth proportional to 158,061.85, 218,059.14 and 103,627.06 is: 142,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,061.85 : 218,059.14 = 103,627.06 : x
  2. Step 2: Convert to fraction form
    158,061.85/218,059.14 = 103,627.06/x
  3. Step 3: Cross multiply
    158,061.85x = 218,059.14 × 103,627.06
  4. Step 4: Simplify right side
    158,061.85x = 22,596,828,071.46
  5. Step 5: Solve for x
    x = 22,596,828,071.46/158,061.85
  6. Step 6: Final answer
    x = 142,961.94

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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.