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Finding the Fourth Proportional to 88,361.98, 121,893.06 and 52,526.50

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Solution

The fourth proportional to 88,361.98, 121,893.06 and 52,526.50 is: 72,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,361.98 : 121,893.06 = 52,526.50 : x
  2. Step 2: Convert to fraction form
    88,361.98/121,893.06 = 52,526.50/x
  3. Step 3: Cross multiply
    88,361.98x = 121,893.06 × 52,526.50
  4. Step 4: Simplify right side
    88,361.98x = 6,402,615,816.09
  5. Step 5: Solve for x
    x = 6,402,615,816.09/88,361.98
  6. Step 6: Final answer
    x = 72,458.94

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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.