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Finding the Fourth Proportional to 97,485.50, 134,530.36 and 52,773.50

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Solution

The fourth proportional to 97,485.50, 134,530.36 and 52,773.50 is: 72,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,485.50 : 134,530.36 = 52,773.50 : x
  2. Step 2: Convert to fraction form
    97,485.50/134,530.36 = 52,773.50/x
  3. Step 3: Cross multiply
    97,485.50x = 134,530.36 × 52,773.50
  4. Step 4: Simplify right side
    97,485.50x = 7,099,637,953.46
  5. Step 5: Solve for x
    x = 7,099,637,953.46/97,485.50
  6. Step 6: Final answer
    x = 72,827.63

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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.