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Finding the Fourth Proportional to 94,172.52, 129,860.10 and 70,261.32

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Solution

The fourth proportional to 94,172.52, 129,860.10 and 70,261.32 is: 96,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,172.52 : 129,860.10 = 70,261.32 : x
  2. Step 2: Convert to fraction form
    94,172.52/129,860.10 = 70,261.32/x
  3. Step 3: Cross multiply
    94,172.52x = 129,860.10 × 70,261.32
  4. Step 4: Simplify right side
    94,172.52x = 9,124,142,041.33
  5. Step 5: Solve for x
    x = 9,124,142,041.33/94,172.52
  6. Step 6: Final answer
    x = 96,887.52

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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.