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Finding the Fourth Proportional to 92,893.58, 128,193.18 and 52,607.36

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Solution

The fourth proportional to 92,893.58, 128,193.18 and 52,607.36 is: 72,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.58 : 128,193.18 = 52,607.36 : x
  2. Step 2: Convert to fraction form
    92,893.58/128,193.18 = 52,607.36/x
  3. Step 3: Cross multiply
    92,893.58x = 128,193.18 × 52,607.36
  4. Step 4: Simplify right side
    92,893.58x = 6,743,903,931.56
  5. Step 5: Solve for x
    x = 6,743,903,931.56/92,893.58
  6. Step 6: Final answer
    x = 72,598.17

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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.