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Finding the Fourth Proportional to 103,101, 142,276.98 and 60,662.28

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Solution

The fourth proportional to 103,101, 142,276.98 and 60,662.28 is: 83,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101 : 142,276.98 = 60,662.28 : x
  2. Step 2: Convert to fraction form
    103,101/142,276.98 = 60,662.28/x
  3. Step 3: Cross multiply
    103,101x = 142,276.98 × 60,662.28
  4. Step 4: Simplify right side
    103,101x = 8,630,845,998.31
  5. Step 5: Solve for x
    x = 8,630,845,998.31/103,101
  6. Step 6: Final answer
    x = 83,712.53

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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.